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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.
by Vorp April 27, 2007
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having sexual intercorse with a man that is much bigger than the lady.
That couple looks like they have dirty gorilla sex daily.
by DJ Cynical May 07, 2018
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