1 definition by progrinder

1
Dirty Dancing. When a girl moves her ass on a guys dick to turn him on. Or when the girl and guy face eachother and the girl rubs her pussy with the guys dick or humps his leg. It's any sexy or suggestive dancing.
I grinded with my boyfriend at prom untill he got hard as a rock.
by progrinder July 02, 2005
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