A sexual position where one partner inserts his penis into the ass of another partner, male or female, then spins himself clockwise using only his penis as a pivot.
Tracy and I did the japanese helicopter all night long.
by EigthOrderBandpass October 24, 2008
The rapid hand movement, and squinting eyes associated with the final moments of Taking matters into your own hands
by Middle House Chuckles February 11, 2009
A sexual act that involves bending a girl over like doggystyle, then having the man insert his penis and climbing ontop of the the still bend over girl, and spinning around with his penis still inserted
My and Linda performed the Japanese helicopter last night
by Blonde_Pubes696969 February 19, 2022