What's mean winner winner chicken winner?!

Question: I watched one movie last friday.
This movie's title is 21,
That is a kind of poker movie about blackjack.

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Answers: I watched one movie last friday.
This movie's title is 21,
That is a kind of poker movie about blackjack.

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The legend tells that years ago every casino in Las Vegas had a three-piece chicken dinner with a potato and a veggie for $1.79. A standard bet back then was $2, hence when you won a bet you had enough for a chicken dinner. !”

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I believe the exact phrase is ....winner, winner, chicken dinner!

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