1. When a drug dealer is running around town buying/selling drugs. "Hey, I cant go right now, im on the grind."

2. A vulgar dance where people rub their body parts against each other. Usually to rap or techno. "yo, check out that hoe over there putting her ass all up in that guys crotch...they are grinding."

whist dancing, a person, usually female, while rub her rump on the crotch of a guy. if timed right can lead to the male's orgasm. a form of a dry hump.

A form of the most horny dancing imaginable. Guys looking for ass will grind profusely with random girls in order to pursuade them to come home and get some bun action. Involves pushing the male genitalia up the ass of the female.

when a girl shakes and moves her ass on a guys crotch and the guy moves with her ass

where a guy grabs a girl's waist and moves with her with rap or some other type of music, called grinding because of the "grinding between a guy's crotch and a girl's ass"

A trick performed in a sport, such as skateboarding, moving along a cornered or thin surface in an unorthodox manner, usually without using the wheels.

Oddly, real-life skateboarders are impressive for grinding a few feet, while in most skateboarding video games, you can grind for half a mile without losing balance at all.

an act of sexual dancing by a female, inorder to recieve free drinks from those males that she dances with.