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1.
A unicycle or bicycle apparatus neglecting the seat device.

Instead of a seat, the rider "mounts" the seat post by inserting into his/her vagina.

See Polish Bike Ride
"I will ride you like a vagina bike"
by uwbikeshop December 11, 2009

Words related to Vagina Bike

polish bike ride bicycle bike ouch ride my bike seat vag vagina