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a sweaty ass, usually found on a fat person.
wow that chick gets a swass from walking up the stairs!
by ryan March 09, 2005
this is a description of when your ass getting really swetty. its a combination of sweat and ass. used as a verb, it is when you stick your sweaty ass on someone, usually in the face.
"Demo was pissing my off and wouldn't shut the fuck up up so i swassed him right in the face1'
by stretch May 02, 2003
Combination of the words Sweaty and Ass
"Damn I'd never date Tony, he smells like swass."

"The locker room is filled with swass dudes."
by CraftingKingz September 04, 2014