Definitions by Sum1 you don't know

Throwing up 4s 

It is when you are madly in love with Mercedes

Wow he's throwing up 4s he must be moe's boyfriend

Throwing up 4s by Sum1 you don't know July 4, 2022

Throwing up 4s 

It's when your madly in love with Mercedes

Look he's throwing up 4s I think that's her boyfriend!

Throwing up 4s by Sum1 you don't know July 4, 2022