I've got the T-shirt 

Alternative to "been there, done that", often accompanied by "I've got the mug".

Idiomatic expression used to show that something is really not that interesting as you've already done it before and so have many others.

Excited kid: "Have you ever been to Disneyland?"

Bratty, patronising older kid: "been there done that, I've got the T-shirt and I've got the mug".

I've got the T-shirt by Bassfaldo March 7, 2009

Nirvana T Shirt 

Def1: Expressing you like a band either by wearing merch or listing them as a favorite band but having little to no knowledge of the band

Def2: to call out someone who is a nirvana t shirt by testing them on their knowledge

Person 1: "Oh, nice Nirvana tshirt, whats your favorite song?"
Person 2: "Smells Like Teen Spirit for sure!"
Person 1: "can you.. name any other songs?"
Person 2: "not off the top of my head"
Person 3: "see? I knew she was just a Nirvana T Shirt a$$ mf"

Nirvana T Shirt by Pseudonym hymn February 11, 2021

cat in a t-shirt 

1.)An insult among gay men, usually bestowed while chatting, indicating that no further conversation. The sender sends the picture to indicate to the recipient that he is being a douche.

Shannon: This guy I'm chatting with is being such a Douche

Tom: Just send him a cat in a t-shirt

Shannon: Cool, now I do not have to talk to him any more!

cat in a t-shirt by Tom-Tom November 17, 2006

neon green t-shirt 

Bright green tee shirts.
Church groups like to wear them so they can find each other on field trips.

Kid 1: Where's Billy?
Kid 2: I don't know, but he should be easy to find because of his neon green t-shirt.

neon green t-shirt by Stephaniiieeee March 31, 2008

Niandra LaDes and Usually Just a T-Shirt 

Niandra LaDes and Ususally Just a T-Shirt is a solo album created by former Red Hot Chili Peppers guitarest John Frusciante the album was released March 8, 1994. The album has a tecno, rock, lofi edge to it. It's a combination of dark and molotic sounds that John gets out of instruments such as vocals, guitar, piano, bass and clairinet.

Niandra Lades and Usually Just a T-Shirt is a solo album by John Frusciante.

Niandra LaDes and Usually Just a T-Shirt by lucas_222 August 5, 2007

White T-shirt

A fashion statement where one refuses to wear clothing with any kind of message or brand name, this usually ends up being a white T-Shirt and shorts or jeans.

Luke would not be caught dead wearing Hollister or Hot Topic. He's white t-shirt.

White T-shirt by codenamesmash December 26, 2008

Drab T-Shirt 

antonym for gay, homosexual

Drab is gay
Drab T-Shirt

Drab T-Shirt by beingrick March 30, 2009