Definitions by derpy herpington

Yeaboi 

pronounced: yeah, boy.

an expression of excitement or achievement, occasionally used to signify agreement.

friend 1: you want to go see that new film tomorrow?
friend 2: yeaboi!

person: The DVDs I ordered finally arrived, yeaboi!

friend 1: this sandwich is awesome!
friend 2: yeaboi.

Yeaboi by derpy herpington June 20, 2011