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1.
The act of masturbating in a group, such as in a circle jerk or in a game of limp biscuit.
When Timmy dropped his pants along with his friends for a round of circle jerk gangsturbation, they laughed out loud at how small his manliness was.

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Mark H. Proud Urban Dictionary Slang Author since February 2004.
by Mark H November 10, 2005