Top Definition
the name of a sex move:
can only occur when two men are double teaming a woman.
when one man is entering through the front door and the other man is entering through the back door, and both are thrusting with the same timing, their scrotum's gain enough momentum and connect. the two men must then hi-5.
men are fucking woman, their balls touch, they hi-5. the bipendulum
by Prozat September 21, 2010

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