Tetherballs: A sexual action between two opposing players consisting of a stationary penis and a testicle(s). The objective is to strike the testicle(s) (clockwise or counter clockwise) until the "ball(s)" winds all the way around the pole and comes to a complete stop.
Jesse: Hey Chris remember that hot hore from the gym? The one with the nice ass?
Jesse: Well, I got her to play tetherballs. I let her win cause she's a girl...What are you doing later today?