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1 definition by Jessicalovestogrind

When a female is dancing and a male comes behind her and starts gyrating his crotch on her ass for pleasure. The male may hold female's hips inner thighs to intensify feeling. Usually done to music with a good beat.
"Jessica, I was grinding this boy Evian all night at homecoming!"
"Girl, I was too!"
by Jessicalovestogrind October 28, 2007