Top Definition
A Penishelicopter is when a man gets banged from behind by sitting on someone and his penis spins round round like a helicopter.
A Penishelicopter is not only a gay activity,
a can also be banged by a strap-on-dildo or other objects for example.
This vid shows pretty well what a penishelicopter is:
www.dude.ist.ein.homo.com
by Matthias Helmke October 14, 2007

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