jackpot

noun
jack*pot \ ˈjak-ˌpät \
1865{ds||1|b|1}
  • the top prize in a game or contest (such as a lottery) that is typically a large fund of money formed by the accumulation of unwon prizes
  • a hand or game of draw poker in which a pair of jacks or better is required to open
  • a large pot (as in poker) formed by the accumulation of stakes from previous play

hit the jackpot

phrase
hit the jackpot \
  • to become notably and unexpectedly successful
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