1 definition by Pony Ass
A female backside that resembles a young pony. Characteristics include but are not limited too: a rounded butt, firm muscular legs, a confident walk that could be categorized as a strut, and tight athletic wear. This term specifically refers to the shape and physical fitness of the female backside in question and does not only include the butt. It encompasses the entire region from the belly button to the ankles. The term also implies that one would like to 'ride' the Pony Ass.
Attractive young female power walking.
Me: Damn, look at that!
Friend: That is one hell of a Pony Ass!
Me: Damn, look at that!
Friend: That is one hell of a Pony Ass!
by Pony Ass May 6, 2014