1 definition by Stacy K.

buncy

butt, rear-end, backside, ass

Friend 1: Dude, check out that girl dancing.
Friend 2: Yea, nice buncy on that one.

OR

Friend 1: Dude, I can't believe John stole your girl.
Friend 2: Yea, bro, that kid had better watch his buncy.

by Stacy K. April 17, 2007