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(n.) A game similar to tennis using your chest as a racquet.

Chennis involves two players bouncing a tennis ball back and forth with powerful thrusts of the sternum.
Shipley vs. Chen was the longest chennis game every to be played with a record breaking triple bounce!!!
by Joylo January 26, 2009
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A sport that combines tennis and chess into one awkward hard to play activity. Players must have both the physique and finesse necessary to excel at tennis, and also the mental dexterity to play a strong game of chess. The rules are not yet clearly defined. The winner is determined either through checkmate or winning the tennis match.
To add to the confusion, some people like to play doubles chennis.
Not to be confused with Chess Boxing.
Bobby Fischer and Bjorn Borg frequently got together on weekends to play a match of chennis.
by Stryker Ramoray August 06, 2008
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