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AKA butt sweat, is the name given to a person's sweaty ass. Especially if one obtains an extremely sweaty ass by doing large amounts of walking in a hot and humid environment. It can also apply to one who wears grey sweat pants and sweats profusely during a workout.
Ted: Man we have only been walking down the las vegas strip for ten minutes and im already sweating.

Mark: Hell yeah man, I put in a man-pon cause that mutha fucka B. Sweaty is always hound doggin me when im walkin around down here.
by Nuke85 November 06, 2010
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