jack it up

To raise.

jackpot

1. A game of “jackpot poker” or “jackpots”, which is a variant of five-card draw with an ante from each player, no blinds, and an opening requirement of a pair of jacks or better.
2. A large pool of money collected by the house and awarded for some rare occurrence, typically a bad beat.

jam

To open or raise the maximum amount allowed.

juice

Money collected by the house.

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