Like an Alaskan Spear thrower, but in reverse. The act of a women jumping off of a piece of furniture onto a mans penis. Even if aimed perfectly will still cause extreme pain to both.
John: " Dude, what happened to you?!"

Fred: " Last night Cindy wanted to try an Alaskan Skydiver.... She jumped off my coach, and then missed my cock by a foot, and it literally snapped!!!! I can barely walk!!!"

John: " Hehe, sucks for you."
by harmonyhills August 13, 2008
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