When you sweat like crazy from your chest after you drink a large amount of coffee and hair grows half a centimeter every time this happens.

A combination of sweat and chest.
"Dude I've got some crazy "sweast" goin' on right now."
by Doctor Ass! April 01, 2010
Top Definition
Swaggy and beast together
Omg did you see him?He is so sweast
by Tumio18 February 02, 2015
Women who have sweaty breasts
Al: Hey, look at that chick jogging down the street. Her sports bra is soaked!!

Ed: Jesus!! She has a bad case of sweasts!!
by Wardo3:16 September 06, 2008
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