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 fresh dump.
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.
by Greggie C. February 27, 2008
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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
by CTU_FieldAgent200 December 8, 2009
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The occurrence of taking a hot dump 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.
by mlk34 April 1, 2010
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Man, I bet that fat bitch been sitting in the sun so long in those fat-ass pants she gots herself a serious case of swamp-ass.
by Marko October 23, 2002
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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!
by nello April 3, 2006
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The unfortunate occurrence when one's ass gets sweaty, itchy and smelly usually after a low-quality dump or when another dump is impending. This often occurs in hot weather situations. Swamp ass can also occur when one is holding back flatulence or avoiding taking a dump in a filthy bathroom.
I had Indian food for lunch then got all sweaty walking home and have a nasty case of swamp ass. I need a shower and a butt-wipe. Dude I have the worst swamp ass right now but there's no way I'm taking a dump in that place.
by Fred S. Tare May 30, 2014
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ben's swamp ass was so bad, he had to change his boxers 4 times in a single day. We replied, "holy shit, that's some swamp ass."
by dick head September 19, 2004
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