Is interchangeable with fail or boner. Based off the idiot who jumped out of the ski lift in Frozen and snapped both his legs from stiff-legging it. Who later was eaten by wolves.
It's where you got the old whiskey dick and you try to fool the cuntbag by sneakily using your fingers, or any other hard object within reach, instead of your cock.
Dude 1: So bro what did you do with that girl last night?