An unfortunate condition in which the doo doo chute and surrounding areas are wallowing in the depths of a vile, festering, putrid poo swamp. This generally occurs when the ass isn't thoroughly wiped resulting in odors eminating from the region that smell like a freshdump.
Vandy's swamp ass reaked so badly that the smell of his freshly unwiped ass could be enjoyed nearly three rows away in the theater.
When after sitting on something for a long time while working up a sweat or working up a sweat in general your ass sweats to a rediculous amount to the point where your underwear/boxers stick to your ass. Often accompanied by a funny walk.
After playing handball in gym nate had very bad swamp ass.
Logan: nate why are your pants still down hurry up we can't be late to class
Anthony: I recon he has dat dar swamp ass
Nate: airing my ass out, feels good man
Logan: yup I got it too. Sucks
The occurrence of taking a hotdump precisely after a shower. The bathroom is hot and humid thus creating a wet and sloppy experience. Common side effect includes sweating profusely
A post shower is typical
Swamp as may be experienced while going commando on a hot day, playing basketball, sitting in a sauna, swimming, or tanning
Man I have swamp ass!
Dude don't take a hot steaming dump after a shower!
I though I would cool down by going commando today, but it gave me a bad case of swamp ass.
The build up of sweat around tha ass and ball region. Usually the first place you begin to sweat.
It was a hot summer day and James was taking a nap. Dave had just got back from playing basketball and had some major swamp ass, so he decided to share the wealth by giving James a swamp asstache!
Steve had a bad case of swamp ass after playing football. If you search for swamp ass, under the image section of yahoo, there will be steves picture identifying who has swamp ass.