1 definition by Milsey Boy

Top Definition
A group of guys get in a circle with a biscuit on the ground, the last one to ejaculate on it has to eat it or it is thrown at them
These 5 guys go in a dark closet and start masturbating, there is a biscuit on the floor in the middle of them. All but one guy ejaculates on it, that one guy has to eat the biscuit or have it thrown at him. Hence the name "dirty biscuit"
by Milsey Boy March 20, 2010

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