sweat beading or dripping into the crack of your ass during a strenuous physical activity, usually resulting in a tell-tale wet streak on the ass of your pants. Often used in a derogatory fashion implying bad body odor
Holy shit, look at that guy jogging. He's got a bad case of swass---steer clear!
by catpt94 November 5, 2009
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man it is hot out I have swass.
by krissy613 September 14, 2007
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When some one has been working out or just has a sweaty ass.
wow i have sum major swass!
by drinkmachine777 May 28, 2009
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a very perspirated buttock crack; a sweaty bum
My butt is swassing so bad - it's dripping like rain!
by Chris & Maia July 14, 2002
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when u work out to the extreme and u get really sweaty ass
i was working out and i got extreme swass
by rickyjimembo September 21, 2007
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Sweaty plus ass would = SWASS. Female definition Swassay.
Swass is when you are riding on the subway in Boston and the aquarium doors open. In comes a blouser weighing in at about 300 plus wearing the wife-beater shirt. He stands up in front of you holding the pole. All you can see and smell is SWASS.
by Iknowwhatiamtalkingabout September 5, 2006
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when your ass is too sweaty to be just a regular ass
Oh man, this leather couch is giving me swass.
by Christine Perri July 31, 2005
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