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1.
After a long day in the sun or working out you might end up with Assweat or as some people like to call it Swamp ass.
your playing football and your all sweaty you sit down and you realize you have assweat.
by Angry Mangina April 05, 2010
 
2.
Sweat that collects on/in one's ass after a good workout.
Also see: ballsweat
Good hustle guys... damn I got mad assweat!
by Timmy 'o' Toole January 04, 2006