Definitions by 6F2012-2015

FAB 

Fake Ass Bitch, a person who appears to be overly-humble, but in reality is a pretentious motherfucker.

(Inspired by 2Pac's rap "Fake Ass Bitches" R.I.P.)

Aaron: I think I'm gonna fail maths test.

(Gets 100% in the test)
Derrick: Don't be such a FAB! FUCK YOU!

FAB by 6F2012-2015 April 2, 2015