when you are heaving sex with a chick, take out a baseball bat and shove it up into her anal cavity, then pull it back out and hit the chick in the face with it.
by john May 13, 2005
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by BigHornSheep January 17, 2004
Get the grandchildren mug.refers to when a man has anal sex with a man or a woman until the receiving partners anus is gaping. Then the man proceeds to shit into the receiving partners gaping anus.
Holy shit bro, Melo gave Suzie a grand canyon in the back seat of his STI. The car smelled like shit for days.
by sin city bags July 21, 2009
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