rock's definitions

grinding

To involve sexual motions with a person or object.

To thrust your pelvic region onto an object/person.

"In health class today, I saw a kid grinding with himself in the corner while we were watching a sex education video! It was nasty!"

"In Harold and Kuman Go to White Castle, the Doogie Howser kid was grinding with the car seat. LOL!!!"

by Rock November 25, 2004