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1 definition by gasmask man N

 
1.
when a guy and girl are screwing doggy style and the man has asked a few of his freinds to hide all around the room with balls and when he shouts "nerfball rodeo" they jump out and pelt him and her continueously with the balls all while he is timing how long he can keep his cock in her (go for highscores)
man when joe asked me to nerfball rodeo him and sally i could resist getting johnies help
by gasmask man N May 05, 2009