1 definition by BallBuster3000
A girl that has an ass that, rather than curving outward in any way, simply drops off, leaving no curvature from the back to the legs, at all angles; a non-assed being. The polar opposite of a badonkadonk.
"Hey, did you see Sharon in her tight jeans? What a Cliff Ass!"
"Yeah, you could put a ball on those cheeks and it wouldn't roll an inch."
"Yeah, you could put a ball on those cheeks and it wouldn't roll an inch."
by BallBuster3000 November 19, 2009