Definitions by Jonny Sawyer

potato stamping 

1. Get a girl and do her doggy style near a wall.
2. As your about to ejaculate, smash her head into the wall inducing a nosebleed or other bleeding.
3. Continue to stamp her bloody face all across the wall, as much as possible

I was potato stamping her all down the subway but only for art class.

potato stamping by Jonny Sawyer April 6, 2008