Commonly used in Animes and Mangas. Used to signify a character reacting to something stupid that just had happened or been said.
character one: Hey! *runs towards character two* *trips and falls flat on their face*

character two: *sweat drop* -.-"
by capt.Ri of Georgia April 19, 2008
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The act of dancing vigorously, wild and relentless or dancing dirty.
Can also be the act of wild sweaty sex.
Yo hottie nice moves, let's drop sweat.

I dropped sweat with Jodie last night, that girl can dance!

We were droppin sweat all night long, Jon has mad endurance in bed.
by northsouth December 16, 2008
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