Niab

Short for "Nigger in a Benz." Used to express disbelief.

You're going out with Anna this Friday? That's almost as unlikely as a NIAB!

Niab

N(New) I(is) A(Always) B(Better), very self explanatory.

He is living the Niab lifestyle, always on top of the game
His girl broke up with him, I guess she didn't like that he applied Niab to women in his life