The smell of both sweat (body odor) and a smell related to the butt area. The combination of the words sweaty and ass. Can also be used as swasty
John smells a disgusting odor of both sweat and ass wipe coming form Alex and whispers to his friend Dan ¨ Damn nigga you smell dat swass?¨
John:¨Alex smells swasty¨
John:¨Alex smells swasty¨
by Dont let your memes be dreams November 30, 2016

by sw-o-ss January 16, 2003

Sweaty Ass. Also can use "sw" for sweaty balls, ass crack, asshole, testicles, vagina etc. (swalls, swasshole, swesticles,swagina)
Can also be used as an adjective "it is swasstastic outside".
Can also be used as an adjective "it is swasstastic outside".
by Pavelski8 July 9, 2012

having a sweaty ass
by Reba the Ruler August 8, 2010

by Discomfort one August 30, 2013

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 11, 2006

by Aucado August 8, 2012
