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
by catpt94 November 5, 2009
by krissy613 September 14, 2007
by drinkmachine777 May 28, 2009
by Chris & Maia July 14, 2002
by rickyjimembo September 21, 2007
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
by Christine Perri July 31, 2005