the act of putting your excuses to the side and gettin' to work like a champ
Man I had a rough day in the gym but tomorrow's another day to Champ Up!
by Bigwheels73 April 01, 2019
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word commonly used by wannabe tennis players meaning "to win a tournament". It really means gay anal sex
tennis player 1: Bro, Im so gonna champ up today!!

tennis player 2: Dude, your disgusting.
by keepabileneboring January 11, 2012
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