by Denney December 20, 2004
The word is derived from the term "swamp ass" (not 'sweat ass like some have been led to believe). The term is, however, defined as "sweaty ass".
Man, I would like to go out to eat with you guys, but after the softball game I really developed some SWASS, so I have to go home and change first.
by Denney June 09, 2006