It is commonly employed in informal chats, videos, and posts to show seriousness and truthfulness. It is commonly used as an exclamation or interjection. ILYSM means "I Love You So Much. In summary, ISTG is an acronym widely used in informal online communication. Matching search results: Since the STG meaning is often expressed fully when in a verbal conversation, the term STG should only be used in casual conversations via text or on. This phrase is often used to express frustration or exasperation with a situation or to emphasize the sincerity of a statement. This is a common acronym that is used online, typically in text-based communication. Further Reading: What Does NFS Mean: Here Is All-inclusive Information You Need to Know. They prefer to work in traditional organisational environments, with people who take their. Today, I'll walk you through what ISTG means in text. It could be used to define the frustration or annoyance you might have towards something or somebody. . I just won the jackpot on the lottery ticket I bought yesterday, ISTFG! 5. This is a group of teachers that are more than friends. This phrase is often used on social media while making public posts or in private chats. Here’s what this multifaceted slang term means and how you may. While some text codes (like brb, lol, and omg) are simple ones that parents can understand, it can be difficult for parents to understand many codes teenagers use nowadays. '. ”. The abbreviation ISTG is widely used in text messaging and online chat with the meaning "I Swear To God. Read Also: What does CFS mean on Instagram? Common Uses for ISTG . What Does ISTG Mean In Texting? Snapchat represents a real-time multimedia communication platform that takes a step beyond traditional messaging applications. Clear Of Patient Diagnosis B. Use Cases & Examples. Looking for online definition of ISTG or what ISTG stands for? ISTG is listed in the World's most authoritative dictionary of abbreviations and acronyms ISTG - What does ISTG stand for?Definition of the term. One of the known acronyms is “ISTG” or “istg”. There needs to be a TikTok user manual that includes a glossary because new abbreviations and slang words are constantly being churned out and I, a millennial, cannot keep up. ISTJ types like to have clear goals and realistic deadlines, and to work with factual data to solve problems and monitor progress. ISTG meaning is “I Swear To God” and is one of the most widely used acronyms in the English language. I’m beyond shocked. This phrase is used to emphasize the truth of a statement or assertion. ISTG. Page ContentsWhat Is ISTG Meaning1. But while the slang term ISTG is harmless, other teenage slang terms could indicate that your teen is talking about risky behaviors or communicating with potentially dangerous people. ”. Some of these words and acronyms are used on other video games and social media platforms too. I swear to God. Testify. 2006)Texting with friends is the best way to use this term. ISTG Meaning= ThreatUse Cases & Examples. OTP meaning: one true pairing (a couple that fans prefer to all other. ISTG has multiple definitions that can be used in various settings. Guarantee. ISTG is used to express frustration or annoyance at something or to show emphasis on a statement. Whenever a TikTok user opens their app, they are directed to their For You Page, which is a stream of videos that TikTok thinks that user will like. A. ISTG is commonly used in text messages and other social media conversations as a way to emphasize the truth or sincerity of a statement. ILYSM can be used to express profound affection. The”I” is the person who is saying it, while”F” is an expletive “F” can be an exclamation point added to the expression. Start the day smarter. However, as with many other abbreviations meaning "I love you," it should not. HMU meaning: hit. Alternatively, you might say ISTG to show exasperation or frustration at something someone is telling you. What Does Istg Mean In Text? I swear to God ISTG means “I swear to God. “ISTG” stands for “I swear to God,” and it’s commonly used in texting to express the seriousness of a situation or to assure someone that you’re not joking when. ISTG is an acronym that stands for ‘I Swear To God. What does ISTG mean? ISTG means “I Swear To God”. ISTG Meaning. The abbreviation “ISTG” is a shorthand. Summary: · The added I at the beginning just refers to the person that is saying this, so ISTG means “I Swear To God”. ETA meaning: estimated time of arrival. By swearing to God, you make a sacred oath that most people respect more and therefore, are more. It's used express emotional sincerity or to seem intimidating. ISTG stands for “I swear to God. ISTG Meaning. The abbreviation ISTG is widely used in text messaging and online chat with the meaning "I Swear To God. This phrase can be used to swear truthfully without having to use a more serious swear word, such as the word "God". 2. ISTG is an acronym used in texting, which stands for “I swear to God. ISTG Meaning= Expression of Disbelief4. I swear to fucking god. ISTFG. Like, "ISTG, if I get one more. Chronic Obstructive Pulmonary Disease D. This can be seen in phrases like: “ISTG, I’m always here for you” or “ISTG, I’ll never forget what you did for me”. I Swear to God. "ISTG" stands for "I swear to God," an acronym usually used to express the seriousness of a situation or assure you're. Pushin P is a popular phrase in the Bay Area and Texas that was popularized by Atlanta rapper Gunna. What does GM mean in text from a guy?What does df mean in texting? In the realm of texting and digital messaging, “df” usually stands for “da fuq”, a slang and casual form of saying “the fuck”. It is typically used to show appreciation of an act of kindness by a loved one. It’s a widely used acronym in text messaging and online chatting on social networking sites. suggest new definition. You might learn your child is using this slang term by chance when a text pops up on the phone screen. IMO meaning: in my opinion. Key Takeaways: ‘ISTG’ stands for “I Swear To God” and is commonly used in text messages and online chat. "I swear to. What Does “ISTG” Stand For? “ISTG” is an acronym that stands for “I Swear to God. It is commonly. Use ISTG to show you’re not joking about something, or to express annoyance or frustration with something (or someone). IYKYK meaning: if you know, you know. It’s a direct and sometimes blunt way of communicating that the information just shared doesn’t impress, affect, or matter to the person asking “so what. ISTG is often used in informal conversations, texting, and on social media platforms. They are there for each other on the good days and the bad days. showing only Slang/Internet Slang definitions ( show all 7 definitions) Note: We have 1 other definition for ISTG in our Acronym Attic. Meaning. What does STG mean?U Jelly is often used to goad someone online or in-person because you possess an article that they do not have, or because you have attained some kind of gamer achievement or minor online fame. In texting lingo, “istg” simply stands for “I Swear To God”. It is used to express frustration, anger, or disbelief. STG means different things to different people but its most common meaning is ‘Swear To God’. Use Cases & Examples. The acronym ISTG is commonly used in text. The phrase “I swear to God” has been used for hundreds of years and is basically taken from the Old English word “swear” which means an oath. What does 'ISTG' mean? "ISTG" stands for "I swear to God," an acronym usually used to express the seriousness of a situation or assure you're not joking when sharing a surprising fact. Get all the news you need in your inbox each morning. As in, I swear that actually happened. ”. ISTG stands for “I swear to God” in texts and on social media apps. ISTG Meaning= Threat Use Cases & Examples. What Does Istg Mean? The acronym ISTG stands for “I swear to God. It can be written in both lowercase “istg” and capital “ISTG” letters. Avoid using this abbreviation in business or professional settings because it is so casual. ” Origin of ISTG. ” It is often used to emphasise the truthfulness of a statement or convey the seriousness of a situation. " People use it in various places on the internet to tell someone to stop talking or as a gut reaction to something offensive or mean-spirited. Overall, the acronym STG stands for “swear to God. Social media platforms: Snapchat, Instagram, Twitter, TikTok, and more. TikTok lingo is hard to keep up with. ” This abbreviation is commonly used in informal conversations on various digital. Summary: · The added I at the beginning just refers to the person that is saying this, so ISTG means “I Swear To God”. The term comes from “shipping” within fandom culture. It could be used to show how excited they are or to express. ” Kids often use this to express frustration or exasperation. -ISTG that was the best pizza ever! -I put your racket back in your duffle bag istg. ISTG is an acronym that is short for “I swear to God”. The media could not be loaded, either because the server or network failed or because the format is not supported. The slang abbreviation ISTG is frequently used as an interjection to express emotion or as an attestation of honesty. ”. Usually, students or the young generation use this acronym. Definition of ISTG in Slang/Internet Slang. ABC – This doesn’t stand for anything. It is a reference to swearing or commitment to God that is not something to take lightly as it is a risk that the person who is saying it could be punished in the event of lying. Specifically, as internet usage is increasing daily, people. The origin of ‘ISTG’ can be traced back to the phrase “I swear to God,” which. ATP meaning: answer the phone. While it may seem like a phrase that you would use in casual conversation, it can be so much more than that. In conclusion, “ISTG” is an acronym that stands for “I swear to God. Gunna explained that the ‘P’ stands for ‘player,’ although it can also stand for. Correct: ISTG Correct: istg Incorrect: iSTG Usage Use of the abbreviation can be found in the following places. ”. ISTG stands for “I swear to God” and is often used on Snapchat to emphasize a point or express strong emotion. The phrase “so what” is often used to express indifference or dismissiveness about the topic at hand. " ISTG is used to add emphasis to a statement (usually a promise, threat,. The phrase “I swear to God” has been used for hundreds of years and is basically taken from the Old English word “swear” which means an oath. Further Reading: What Does NFS Mean: Here Is All-inclusive Information You Need to Know. It is used to emphasize a statement, a promise, or a claim, to express frustration, or to make a solemn vow. It is an expression used to emphasize the truthfulness or sincerity of a statement. ISTG is an acronym that means I swear to God. It can be a powerful tool for self-motivation and encouragement. 2. I swear to f**king god (ISTFG) is an abbreviation used to express exasperation, disbelief, or agreement. STFU is an acronym that means "shut the fuck up. It is very similar to ISTFG meaning, however, there are additional letters added within the acronym. " “ISTG” meaning over text message. This initialism should be avoided in professional situations or in conversing with someone who is religious. It’s an acronym that people use to express the seriousness of a situation or to emphasize that they are not joking. What does 'ISTG' mean? "ISTG" stands for "I swear to God," an acronym usually used to express the seriousness. What does ISTG mean in the text? Ans. ISTG Meaning. Chronic Osteomyelitis Pathology Degree Embed Share an image of ISTFG » Click to view: Hearing impaired tip:. ISTFG, I can’t believe she actually said that to me. The slang abbreviation ISTG is frequently used as an interjection to express emotion or as an attestation of honesty. 1 definitions of ISTG. So, if you ever heard OMG (O My God), another popular acronym, ISTG won’t surprise you anymore. This abbreviation is typically used to express surprise, confusion, disbelief, or. ’. " ISTG is used to add emphasis to a statement (usually a promise, threat, excuse or apology), or as an interjection which expresses surprise, skepticism or exasperation (similar to OMG ("Oh My God!") ). "I swear to. "I swear to God" isn't just texting slang – it's used in everyday conversations to emphasize the truth at hand. It can also be an expression of surprise or. The phrase originated as a method for people to express a greater level of certainty about a statement they’re making in a conversation. This is a casual phrase that many people use both online and in real life (imagine someone exclaiming “I swear to God!” when they’re frustrated or emphasizing a point). FYP means For You Page. Meaning. I swear to fucking god. STFG stands for Super Teacher Friends Group. What does 'ISTG' mean? "ISTG" stands for "I swear to God," an acronym usually used to express the seriousness of a situation or assure you're not joking when sharing a surprising fact. Annoyance and Assurance Another ISTG How to Use ISTG One of the hottest internet acronyms among today's teenagers is ISTG. 4. In simple terms, “istg” stands for “I swear to God,” a popular expression used to emphasize the truthfulness or intensity of a statement. STG: You can swear to god when you are frustrated or in exacerbation. What does 'ISTG' mean? "ISTG" stands for "I swear to God," an acronym usually used to express the seriousness of a situation or assure you're not joking when sharing a surprising fact. suggest new definition. What does ISTFG mean? This page is about the various possible meanings of the acronym, abbreviation, shorthand or slang term: ISTFG. Simply put,. Complaint Of Patient Data C. It is very similar to ISTFG meaning, however, there are additional letters added within the acronym. What does Istg mean in text message . This initialism should be avoided in professional situations or in conversing with someone who is religious. This phrase has a couple of variants, S2G and ISTG, and is frequently used in texting or on social media. “I swear to God” is a common phrase that people use to show that they are telling the truth or to express their sincerity. It is often used in informal conversations, especially when expressing frustration or disbelief. Person1: I'm so exhausted. It's not typically used in a religious context. It’s used to convey a deep sense of seriousness about a situation or to emphasize a point being made. For example, if someone decides to message you with insulting comments about your hair, then you might reply with "STFU. It can be used to convey sincerity, make promises, express annoyance, and more. ISTG is simply an acronym that means I swear to God. The “baby” part of the phrase isn’t a literal reference to a child, and. ”. 1 definitions of ISTG. Pinky promise. The Meaning of ISTG in Text. The texting term ISTG, which means "I Swear To God," tells people that you really do mean what you're saying. It can be used to convey extreme seriousness, exasperation, or surprise, and is usually used outside of a serious religious. ISTG. Well, fret not – I’m here to help unravel the mystery for you. ETA meaning: estimated time of arrival. This abbreviation is commonly used in informal conversations on various digital platforms, such as text messages,. Prison gang. On the internet, there’s a lot of jargon and abbreviations that often confuse even the most seasoned internet user. -ISTG that was the best pizza ever! -I put your racket back in your duffle bag istg. ”. The expression “I swear to God” is used for centuries and originates directly from the Old English word “swear” which means swearing. When someone doubts something you said, using ISTG is a way to make a solemn oath that most people respect and are more likely to believe. TLDR meaning: too long; didn't read. One such popular slang on platforms like Snapchat is ‘ISTG’. It may sound like a new term to some, but this one is very familiar to social media users. Having a parental control app on your child’s phone will give you. The slang abbreviation ISTG is frequently used as an interjection to express emotion or as an attestation of honesty. So, the next time you see someone using “istg” in a message or post, you’ll know exactly what they mean. B) used to be the symbol of a person wearing sunglasses with a smile on his face. It’s also like STG. What Does ISTG Mean? ISTG is an acronym that stands for “I Swear to God”. It’s similar to the term ‘ONG. ISTFG. ISTG stands for I Swear To God. Use ISTG to show you’re not joking about something, or to express annoyance or frustration with something (or someone). Usage: “Oh nice, you finally finished it! Welcome to the club B)” What does BB mean?What Does ISTG Mean in Texts or on Social Media? ISTG means “I swear to God” in text messages and on social media platforms like TikTok, Snapchat, Twitter, Instagram, and more. What does B) mean? Back when emojis weren’t a thing, ‘emoticons’ were used to add more emotions to the text. ”. 查看翻译. ISTG is an acronym used for “I Swear To God. ” Origin of ISTG. Capitalization The slang term and abbreviation “ISTG” is typically spelled in ALL CAPS or all lowercase letters. Usually used after saying something ‘cool’. Throughout the years, a variety of terms have arisen which make it easier to communicate online. "ISTG" stands for "I swear to God," an acronym usually used to express the seriousness of a situation or assure you're. What does OTP mean in texting? “OTP” means “one true pair/pairing,” according to Merriam-Webster. This phrase should only be used in casual conversation. showing only Slang/Internet Slang definitions ( show all 7 definitions) Note: We have 1 other definition for ISTG in our Acronym Attic. It represents an empathetic or mildly shocked response to unexpected news or events. Even though the phrase includes “God,” its meaning and uses aren’t considered religious. What Does “ISTG” Stand For? “ISTG” is an acronym that stands for “I Swear to God. ISTG can be used in various contexts and can have different implications depending on the conversation. Since this is a very casual acronym, avoid using it in. This acronym often highlights the sincerity, seriousness, or exasperation of the person using it. You will find information about the origin and other possible meanings in all types of information on this acronym, including its. ISTFG means “I Swear To Fing God,” a phrase used to emphasize sincerity or seriousness when making a statement. This abbreviation is commonly used in informal conversations on various digital platforms, such as text messages, social media posts, and online forums. The term is primarily used to emphasize a point you’re making and can reiterate anger or annoyance. You’ll find it all over the internet, from social media platforms like twitter and instagram to direct messages between friends. Here's what this versatile slang term means and how you can use it in your messages and social media posts. ISTG is an abbreviation commonly used in text messaging and online communication, particularly among younger generations. It’s also like STG. ” It is commonly used in text messaging and online chat to emphasize the truth or sincerity of a statement. ”. ISTG means I swear to God. It's a close relative of the OMG (Oh My God). This initialism should be avoided in professional situations or in conversing with someone who is religious. Every TikTok user's FYP. ”. What does 'ISTG' mean? "ISTG" stands for "I swear to God," an acronym usually used to express the seriousness of a situation or assure you're not joking when sharing a surprising fact. In a different context, “sw” can also mean “someone who. ABC means asking another player (or telling another player you’re ready) to make an offer, trade or perform a task in Roblox, such as roleplaying in a game. Likewise, if you have ever seen the text code "ISTG" in texting and wondered what does ISTG mean in text. IYKYK meaning: if you know, you know. When someone uses ISTG, they are essentially emphasizing. ISTFG. What Does ISTG Mean? In internet chatting and text messaging, the acronym “istg” actually means the phrase “I swear to God. new search. Expand Your Lexicon: Discover 5+ Similar Words for ISTFG When it comes to texting, understanding similar. Sub the Gamer security threat group. It is commonly used in text messaging to express the seriousness of a situation or to assure that a statement is not a joke. The phrase was later. ISTG Unveiled: Introduction to the Slang. I Swear to God. It is used to emphasize a statement, a promise, or a claim, to express frustration, or to make a solemn vow. It is an acronym used to emphasize a belief in or commitment to the truth of a statement. ”. What Does ISTG Mean? In internet chatting and text messaging, the acronym “istg” actually means the phrase “I swear to God. ISTFG, if you don’t stop playing your music so loudly, I’m going to lose it. Confused about slang like cap, HB, ATP, and more? We defined some popular TikTok acronyms for you. It comes from the courtroom oath that traditionally said, “i swear by almighty god that the evidence i shall give shall be the truth, the whole truth, and nothing but the truth. ISTG can be used to express extreme seriousness, anger, or surprise, and is usually used outside of serious religious contexts. Simply put, “ISTG” stands for “ I swear to God . More violent then just I Swear To GodISTG is an acronym that is short for “I swear to God”. Matching search results: Since the STG meaning is often expressed fully when in a verbal conversation, the term STG should only be used in casual conversations via text or on social media. In contrast to standard text or audio messaging apps, Snapchat offers the unique ability to share fleeting live video messages that vanish as soon as they are. It stands for “I swear to God. This expression is used to emphasize the truthfulness or seriousness of a statement. 3. It’s often used as an exclamation or a way to emphasize something and can be written in lower or upper case letters. This initialism should be avoided in professional situations or in conversing with someone who is religious. This expression is most likely something you've heard in ordinary conversation. Abbreviation of I Swear To Mother Fucking God. – What does istg Mean in Text – ISTG is a popular online abbreviation among today’s youth. It can also be used as an expression of sincerity, such as when a user is making a promise or expressing their. One of the main uses of ISTG is in text messages or chats, either between friends or in a. ” Definition: Istfg is an acronym for “I swear to f Up. ISTG is an internet slang initialism that conveys earnestness, annoyance, or surprise. By using “ISTG,” individuals can emphasize the sincerity or truthfulness of their statements, especially when sharing surprising facts or. ISTG and OMG can also be used interchangeably often. ”. "Meaning; ISTG: I Swear to God: ISTG: Immigrant Ships Transcribers Guild: ISTG: Information Storage Technology Group (University of Twente; Netherlands) ISTG: Inter-Site Topology Generator: ISTG: Implicit State Transition Graph: ISTG: Integrated Systems Tech Group (Tampa, FL) ISTG: Innovative Science and Technology Group (est. ISTG stands for "I Swear to God. The”I” is the person who is saying it, while”F” is an expletive “F” can be an exclamation point added to the expression. U Jelly has become a very popular expression, and because of its viral spreading nature, it has achieved meme status. Promise. Start the day smarter. For example, three sample text messages using the abbreviation ISTFG could be: 1. Its meaning is “I Swear To God,” and it is commonly used to add sincerity or emphasis to a statement. You can use it to show your deep frustration, attest to the truth of something, or underline your beliefs. TLDR meaning: too long; didn't read. ISTG is short for "I swear to God. Similar to “I Swear To Fucking God” istfg, in that it is an escalation of the original term “I Swear To God” istg. This. -ISTG that was the best pizza ever! -I put your racket back in your duffle bag istg. The ISTG definition includes a short acronym for a phrase that reads as ‘I Swear To God’. ”. ISTG is simply an acronym that means I swear to God. When used in text conversations, ISTG retains its original meaning of “I swear to God. It can be used as an exclamation, where users are expressing disbelief or shock. Jamie Grill / Getty. This should not be used in any formal setting, no matter how informal it may seem, via social media or text. The ISTG acronym is commonly used in response to a person who doubts something that you said. HMU meaning: hit me up. How Is ISTG Used? Use Cases & Examples. It is a commonly used slang expression used to emphasize that someone is telling the truth, or to add emphasis to a statement. Likewise, if you have ever seen the text code "ISTG" in texting and wondered what does ISTG mean in text. Origin of ISTG. While the presence of the word “God” might indicate some religious connotation, it’s not a religious term at all. Get all the news you need in your inbox each morning. "I swear to. What does 'ISTG' mean? "ISTG" stands for "I swear to God," an acronym usually used to express the seriousness of a situation or assure you're not joking when sharing a surprising fact. This is only for close friends. ISTG is a slang abbreviation used in online messaging and texting that means 'I swear to God. . It can be used to express emotions, surprise, or sudden kind of feelings. ONB is an abbreviation commonly used in texting, which stands for “Oh No Baby”. OFC meaning: of course. It can be used to express emotions, surprise, or sudden kind of feelings. ISTG=Make a PromiseWhat Is ISTG Meaning in SlangIstg Slang Usage (Examples and Use Cases)ISTG Meaning on TikTokISTG Meaning SnapchatFAQs on ISTG Meaning1. This is also very similar to. " The abbreviation ILYSM is used with the meaning "I Love You So Much" as an expression of affection. It can be used to convey extreme seriousness, exasperation, or surprise, and is usually used outside of a serious religious context. Going deeper into its meaning, ISTG sounds quite similar to OMG ‘Oh My God!’. If you see someone using ISTG when texting, they’re probably emphasizing how serious they are about something. -ISTG that was the best pizza ever! -I put your racket back in your duffle bag istg. What does 'ISTG' mean? "ISTG" stands for "I swear to God," an acronym usually used to express the seriousness of a situation or assure you're not joking when sharing a surprising fact. ISTG Meaning What Does “ISTG” Stand For? If you’ve ever seen “ISTG” in a text message or on social media, you might be wondering what it means. Here's what "ISTG" means and how you can use it in your next text exchange. "I swear to. Specifically, as internet usage is increasing daily,. Istfg Meaning Is: Istfg stands for “I Swear to Fucking God. This phrase is typically employed to express surprise, disbelief or concern over a given situation. What does istg mean in text. Its meaning is “I Swear To God,” and it is commonly used to add sincerity or emphasis to a statement. Let’s talk about the other meanings of this common abbreviation and find out what it means for different people in different contexts. ISTG is an acronym that stands for “I Swear To God”. Also, Check What Does SNM Mean In Texting? What Does ISTG Mean and How Is It Used in Real Context? The use of shortened phrases is a popular way to communicate in text messages and online conversations. GTFO can be used to express disbelief or displeasure. ISTG Meaning= Threat3. Swear to fucking god. new search. OFC meaning: of course. ” How to understand Texting Abbreviations!! LOL and LMAO, SMH, FFS… and all the other ISTG Meaning A short video summarzing the most common. What Does ISTG Mean? Introduction. What Does ISTG Mean In Texting? ISTG is an acronym used for “I Swear To God. A very dramatic phrase to be used only in exceptional circumstances. For example: What does ISTG mean? ISTG is an acronym that means I swear to God. " It is an internet acronym used in online chat to express frustration, surprise, or vehement assertion. What does LFG ð mean? LFG as “let’s freaking go” has since become widespread in texts among friends as a way to excite or “hype up” one another about a particular event or situation. So, if you ever heard OMG (O My God), another popular acronym, ISTG won’t surprise you anymore. While the presence of the word “God” might indicate some religious connotation, it’s not a religious term at all. ISTFG. This is also very similar to. It can often. ISTG stands for: I Swear To God. What Does ISTG Mean in Texts or on Social Media? ISTG means “I swear to God” in text messages and on social media platforms like TikTok, Snapchat, Twitter, Instagram, and more. Here’s our round-up of the latest Roblox slang. ISTFG means “I Swear To Fing God” and is typically used in informal texting to express frustration or disbelief. While some text codes (like brb, lol, and omg) are simple ones that parents can understand, it can be difficult for parents to understand many codes teenagers use nowadays. Essentially, ISTG is a shortcut way of saying "I. The slang abbreviation ISTG is frequently used as an interjection to express emotion or as an attestation of honesty. For example, they might say “ISTG this homework sucks. LFG meaning: let's freaking go. In summary, ISTG is an acronym widely used in informal online communication. It is a stronger version of the phrase “I swear”. Definition of ISTG in Slang/Internet Slang. Today, I'll walk you through what ISTG means in text and other text. Do you know what ISTG means in a text message? Watch this video to find out when to use ISTG in a text message and what it means!What Does “ISTG” Stand For? “ISTG” is an acronym that stands for “I Swear to God. ISTG Meaning= Honesty or Certainty2. FOMO meaning: the fear of missing out. More violent then just I Swear To God Learn what ISTG means in this quick and easy guide! Find out what the abbreviation stands for and how to use it in real life with this simple explanation. Usually, students or the young generation use this acronym.