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A player of a board or card game that acts immaturely. E.G. Tries to take back moves, Rubs winning in, Berates themselves or others for losing.
Kiddie-pool player: FUCK, I CAN'T BELIEVE I MISSED THAT. WHY AM I SUCH A RETARD?!?

Player 1:Go play in the Kiddie-pool.

Player 2: Yeah, you're being a real kiddie-pool player.
by Shiftymruzik July 14, 2010
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Apr 21 Word of the Day
I've been jabbed
by Francesco II March 20, 2021
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