Definitions by JKyleM22

Fisterbating 

The act of masturbating while fist pumping.

Bill: What do you think those douchebags from "Jersey Shore" do when no one's around watching them?

Ted: Probably sit in front of a mirror, looking at themselves, fisterbating to awful techno music.

Fisterbating by JKyleM22 February 24, 2011