diaper ass

an unattractive booty that makes a girl appear to be wearing a diaper under them jeans. also, a term used when a girl's ass hasn't quite reached mom ass, but is well on its way

whoa, look at gina and that diaper ass.
yeah, she's working those diaper-bottom jeans tonight.

by justymac August 22, 2008

Diaper ass

When someone sags their pants and their boxers are sagging out the back like a shit filled diaper.

Check out that new jacks diaper ass!

by Chris Dawson March 2, 2008