Definitions by Mumphrey

dongcopter 

N. When a man gyrates or moves his hips in such a way as to create a whirling motion with his penis similar to that of a helicopter. note: this is a secret maneuver of the genitals that most women are not aware of.

Aww, shit, man, my girlfriend saw my dongcopter while I was in the bathroom!

dongcopter by Mumphrey February 2, 2006