Google Mumblety Peg and you'll realize this is a real game our grandfathers played in the schoolyard. The object of the game is to throw a knife at the ground by your foot. Whoever gets closes wins. Sticking the knife in your foot also wins. One variation is to throw the knife at the other person's foot. This would be the jack-ass version and of course, it wouldn't end until a knife was stuck in someone's foot.
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