It’s literally just a sweaty ass. Or when you shit yourself and it’s mushy in there. Pretty gross bro
by chichimon  March 13, 2019
Get the Swamp assmug. A state of being after general uncleanliness leading to so much sweat that one's lower region could possibly produce the vegetation and smell of a swamp.
by DJBigD May 7, 2012
Get the Swamp-assmug. by couragewolf127 March 6, 2011
Get the swamp assmug. A condition caused by excessive moisture build up on one's ass, creating a very uncomfortable and disgusting situation in anal region.
by Jen March 8, 2005
Get the swamp assmug. A condition in which your buttocks and other nearby regions get overly moist often causing discomfort resembling the feeling of not wiping your ass. This happens typically when working in intense heat, during masturbation, refusing to wipe, and some other isolated situations. Also, this condition leads to a not so pleasant stench often leaving you extremely self-conscious if the situation cannot be remedied immediately.
Bryce-"Why were you walkin' all funny today when you came into work?"
Slade-"I'd been outside waiting on the bus and got swamp ass."
Bryce-"Word?"
Slade-"Word. I had to go to the bathroom and handle it quick before that fine ass new girl saw me or else she'd think I'm dirty."
Slade-"I'd been outside waiting on the bus and got swamp ass."
Bryce-"Word?"
Slade-"Word. I had to go to the bathroom and handle it quick before that fine ass new girl saw me or else she'd think I'm dirty."
by TheTruth778800 July 9, 2010
Get the Swamp Assmug. WHEN ONE'S ASS SWEATS UNCONTROLLABLY AND THAT SWEAT BEGINS TO SOAK THROUGH THEIR UNDERWEAR AND PANTS.
by BIGSKINNY August 5, 2008
Get the SWAMP ASSmug. A build up of sweat and schmancter usually forming on the under carriage in the crease between the berry bag and the inner thigh. After aging, "swamp ass" can put out a distinct and distasteful odor. Swamp ass is caused by extended periods of physical activity. Obesity can contribute to the severity.
After several hours of worm wrestling and sword fighting, Jason and Eric both had terrible cases of swamp ass.
by Jason Belanger December 8, 2003
Get the swamp assmug.