1 definition by Goldleader

1

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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• © 1999-2021 Urban Dictionary ® • advertise • terms of service • privacy • dmca • bug report • help • blog • data subject request