A maneuver where a gentleman extracts his penis from his pants before swinging it wildly around, attempting to generate lift in the same way as a helicopter. Making "whoooo!" or "thwuppa thwuppa" noises is optional.
"I was trying to impress this girl in a bar last night so I whipped out my cock and gave her a ride in the helichopper."
by chopper_pilot October 15, 2009