Placing your hands on the rear end of your torso and thrusting with powerful strokes as to imitate a Gorilla. A full size Gorilla Suit is also highly recommended. To add to the effect, make loud noises as to imitate a Gorilla.
Dude, that guy just had Gorilla Sex with your mom. Gross.
ayon kay Vorp ika-27 ng Abril, 2007