1 definition by Hmmmm Wait Okay

The act of placing a Strap on, on a mans ass. While having sexual intercourse. 1 girl is placed behide the man and one in the front of the man. The Man begins to move his hips thus creating a Pendulum like motion
John: I heard billy gave two girls the Pennsylvania Pendulum Last night
Kyle:Damn...
by Hmmmm Wait Okay September 30, 2014
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