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1.
Having sex while sky diving. Most couples prefer to accomplish this before parachute deployment, but if not finished in time, simultaneous deployment is imperative.
Ron attempted his first sky fucking jump, but things went terribly wrong when someone pulled the rip cord too soon.
by skydiver April 26, 2008
 
2.
Traditional sex but before the male finishes he pulls out yells FUS RO DA grabs the girl by the ankles and throws her across the room
Mary: how did you break your leg
Miranda: me and jim tried skyfucking
by Waitthatmeanswhat69 May 01, 2012