Knuckle Grinding

To insert one's fist into another's vagina and punch with force, grinding your knuckles against their insides.

"I did some mad knuckle grinding on this one chick last night!"

Knuckle Grinding by Salt Licky October 13, 2004

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Related Words

Knuckle Grinding • knuckle dragger • knuckle • knuckle-head • knuckle sandwich • knuckle up • knuckle children • knuckle babies • knuckle nuts • knuckle deep