Definitions by G-busey

Swamp ass 

1. The warm, moist feeling of one's ass from sitting for an extended period of time.

Swamp ass, in association with lengthy road trips, is usually accompanied by the smell of stale french fries that fell into your crotch that you failed to notice.

joe: let's go to the bar and pick up chicks

jimmy: ok, but lets take your car, mine smells like total swamp ass.

Swamp ass by G-busey September 1, 2009