sphincter slam

A sexual manovere in which sum 1 proceeds to jump and land on there front will giving sumone a buttfuck
Jim gave micheal a huge sphincter slam.
There was blood every where
by Lucas December 31, 2003
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Sphincter slam

When you fart so loudly both your butt cheeks close simultaneously
Most of the night you want to go to the bathroom & do a sphincter slam but you don't for fear it'll wake up the neighborhood
by Faithmoriahfaith June 22, 2015
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