2 definitions by greendayrulz7

Top Definition
Act of male masturbation, can only be performed by circumsized men. Where the masturbation becomes so vigorous and violent that the hand actually hits the testicles while stroking the shaft.
I went to sleep and woke up and my friend Billy was "hitting the sack" next to me wearing nothing but a lamp shade over his head.
by greendayrulz7 March 10, 2010
Act of female masturbation
Mary liked to "Tickle the Clam" in the kitchen while her parents watched
by greendayrulz7 March 10, 2010

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