Inverted Gyro-Copter
A sexual position that requires the female to lie face down with her buttocks arched into the air. The male then mounts the female from behind and while inside of her he gently raises both legs to perfectly balance on her behind. If perfect balance is acquired than the male can be slightly nudged and he will begin to rotate like the blades of a helicopter.
"Last night I gave Jennifer an Inverted Gyro-Copter and she loved it!" 