Definitions by Xxshankbeast209xx

Thats a chin 

Literally translates into: "Thats a mistake". After saying, the speaker then rubs and/or hits the chin of the person who made the "chin".

Ricky: How was the baseball, oops i mean basketball game? Marcell: THATS A CHIN!

Thats a chin by Xxshankbeast209xx April 22, 2009