What is the slang meaning of “twin”?
“Twin” is a slang term of affection used for very close friends. It's similar to other Gen Z slang terms like “bro” or “fam.” In this context, you don't have to be related to the other person to call them your “twin”—you just have to have a super deep bond that connects you, almost like real twin siblings. Some people use “twin” for a close friend who's similar to them in some way. They might behave alike, look alike, or have many of the same thoughts, opinions, and beliefs.
Where does “twin” come from?
“Twin” originated as a greeting among people who live in Atlanta, GA. According to some sources, “twin” was first used as a term of endearment by gang members in the city of Atlanta, GA, in the United States. By 2019, it had spread in popularity throughout the entire city. Since then, Gen Z has adopted it as a slang term, which is why you might have heard it spoken in casual conversation or used in viral TikToks. Instagram user @itsavibe commented in this video from January 15, 2025, that Gen Z youth were calling each other “twin” in Rhode Island. It surprised him because he thought the slang term was only popular in Atlanta.
Why do people call their friend “twin”?
People call their friend ‘twin” to express how close they feel to them. If a friend calls you “twin,” that may mean they feel a strong connection to you. They may even feel that you're their best friend. Some sources claim that your “twin” is your “ride or die” friend. This means you trust each other deeply and are always available to have fun with or support each other in times of need.
Someone may call you “twin” if you're wearing the same or similar outfits. They might also say, “We're twinning!” In this context, they're saying it simply because you're wearing matching clothes in the same way that many real twins do. On social media, you might see the phrase “twinning” accompanied by the twin emoji: ????
When to Use “Twin” in Conversation
Say “twin” when you're greeting a friend you think is close to you. For example, if you're meeting your best friend for lunch, when you see them, say, “Hey, twin! What's good?” If you want to compliment their outfit, you can say, “Nice outfit, twin!” Here are some other examples of ways to use "twin" in a greeting. “What's up, twin?” “Long time no see, twin!” “Hey, twin, I missed you!” “How's my twin doing?”
Shout out your twin on social media with a supportive comment or caption. When your BFF posts a new reel or a stunning selfie, leave a comment like “Look at my twin! ????” or “My twin knows what’s up!” This is a fun way to show them some love (and announce your twin-ness to the world). You can also post a photo of you two with a caption like “All smiles when the twin is around!” or “Friends that twin together win together.”
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