crap shooting

Noun
  1. Playing craps (synset 100510313)
    is a type of: craps - a gambling game played with two dice; a first throw of 7 or 11 wins and a first throw of 2, 3, or 12 loses and a first throw of any other number must be repeated to win before a 7 is thrown, which loses the bet and the dice
    same as: crap game, crapshoot

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