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when a male and female are engaging in the act of coitus, or love making, in the froggy style position, and the female rips a fart that sounds much like the mating call of a bullfrog.
Kolby was humping Rachel so hard froggy style and then she busted ass! That's right, she pulled a Whistling Bullfrog! That struffet!
by Ron Walker June 30, 2005
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