The true definition of swamp ass is only for the ultimate revenge seekers and when you really want to degrade and rob a person of their dignity for cruel things or crimes committed against you or your family. You knock them out and rape their ass and when they wake up it is your cum causing them to have the disgusting feeling of a swampy wet blown out ass.
by B-rad mcskeet November 13, 2011
Get the Swamp assmug. After downing two bowls of chili and a few hard boiled eggs, Noah was stricken with a debilitating case of swamp ass.
by Annie January 16, 2004
Get the swamp assmug. It is when your anus becomes extremely itchy. The itching can get quite intense and the more you itch, the more intense it gets. Swamp ass will usually occur after moving your bowls. The itching is most noticeable at night, especially while lying in bed. There is a cure however: Go to your doctor and he will recommend some cream. It should be gone in 2-3 weeks
by SWAMP ASS VITCIM August 23, 2004
Get the swamp assmug. 
A condition around the anal area which results in pain. Usually associated with lack of bathing, or uncommonly elevated temperature in the anal area. See Diaria.
by PDOG August 5, 2004
Get the swamp assmug. When someone farts so badly that you would rather lick the inside of an Afghani toilet bucket til it gleamed than be where you are.
by Geoffrey de Lodyngton October 4, 2005
Get the swamp assmug. by zoltan07 April 8, 2009
Get the swamp-assmug.