hand-shuttle

The act of masturbation by moving your hand up and down the penis emulating the launching of a shuttle craft over and over again.
"Billy, what were you doing in the bathroom so long!"
"I was launching the hand-shuttle mom!"
by Goldleader February 21, 2008
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Launching the Hand Shuttle

Get out of the freakin' bathroom! What are you doing in there, Launching the Hand Shuttle?
by LaRobaNacas March 30, 2008
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