hit the jackpot

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hit the jackpot (third-person singular simple present hits the jackpot, present participle hitting the jackpot, simple past and past participle hit the jackpot)

1. (idiomatic) To receive a more favorable outcome than imagined, especially by good luck.
   • 2021 August 25, Richard Foster, “The rise and fall of railway's Big Four...”, in RAIL, number 938, page 55:

     Before 1914, coal was a true cash-cow, and on paper, the GWR looked to have hit the jackpot by being handed all the railways in the South Wales coal fields.

2. (idiomatic) To be correct.