Joe: what u on bro?
Alex: just chillin dawg, u already know!
Alex: Joe, how u gon' get on my girl like that? what u on??
Joe: That hoe was askin for it folk.
By Dora
What U Doin
Idiot expression used by those with low intellectualcapacity. An alternative to asking "What are you doing". Not to be confused with WHATTAYADOIN or WHAT THE HELL ARE YOU DOING?!?!