1 definition by Slothman

Top Definition
A sexual act, in which as the female climaxes, you jam your fist up her butt and scream "GOATSE!!" at the top of your lungs. Derived from the shock picture "Goatse".
Female: "Oh thats it!!!"
Male, jams his fist up her butt: "GOATSE!!"
Female: "what the..."
by Slothman August 29, 2007

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