Knuckle Grinding

What is Knuckle Grinding?


1.

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!"

See Salt Licky


6

Random Words:

1. Apparience: White skin, down-wards pointy nose, bald and dark brown eyes. Powers: Green magic. His speciality, his Green magic skull. ..
1. A Zinjanthropos or Zin for short, is a Canadian person who has no life. Regularly seen on the banks of the Niagara river with a set of b..
1. The ultimate slogan to be used when a female is absolutely positively ugly and there is only one way to describe her ugliness. This may..