look up any word, like ebola-head:
 
1.
A huge butt. A large ass. A big derriere.
Beyonce Knowles, Jennifer Lopez.

Sentance. You have a HUGE badonkie!
by Lil Bittie June 21, 2005
 
2.
On big ol' butt (See also Junk in da trunk)
Yo dawg, look at that badonkie! It's HUGE!
by The Wizard November 15, 2005