1 definition by Tatum33

Top Definition
The placement of one's foot behind his head during a sexual act. Usually preformed while having sex in the doggy style position. It has been said that if done correctly the other sexual partner will BIG O continuously for one minute. P.S. attempt with CAUTION
Dave DiSano was seriously injured while attempting the mega bone on an unsuspecting female.
by Tatum33 August 31, 2008
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