When you get permission from a female to ride her back naked, just as a jockey would ride a horse. Whilst the female is running the, gravitational pull causes you dick and balls to lightly brush her back.
Grant: "Hey Leonie, can i have a piggyback ride?"

Leonie: "Sure you can Grant!"

Grant: "Awesome, i'll make sure its an enjoyable Brooklyn Backslapper!"
by bigpappabob August 16, 2010
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