An ass that is big, nice, and round. Usually found on girls.
Aisha has a nice ass.
Jessica has a Fat ass
by Anonymous March 20, 2003
an ass that's round, soft, smooth, and large enough to have something to hold on to in bed, but not so large it has cellulite. Of course this only goes for girls.
dude 1: Can J-Lo's ass be anymore lovely?

Dude 2: no.
by ucddcd June 22, 2005
Object that will bounce on your cock untill you cum like crazy
Make sure you slap it hard a couple times before you fuck it
Girl: oh yes! Fuck my ass!
Guy: it's such a nice ass and I'm gonna cum all over it!
by Rhugfuvji March 28, 2013
Kobe dropped a nice-ass dunk on Mutumbo last night!
by J-Rock October 6, 2003
A fool who has class.
Look how sexy that woman is! She has a nice ass!
by AnthonyTheGamer February 11, 2012
Having a good and well-shaped ass. Usually found on girls.
Amy has a nice ass!
by Zalt Prieta November 24, 2021
A tattoo on the left ass cheek of a voluptuous, huge-assed woman named Agnes.
"Isn't that Nice Ass well designed?"
"Look at the Nice Ass on that nice ass! Isn't it breathtaking?"
by Meshtaga2 April 27, 2009