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An adjective meaning that someone is so good at cosplaying they deserve this new, high caliber title. People who consider themselves to be of the level of 'cospro' are also on the same level of people who brag about having the tightest butthole.
"Man my steam punk costume cost me $50,000. I'm legit cospro!"
by TrollisciousTilmitt November 07, 2010
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