Top Definition
A fan of Aroldis Chapman, relief pitcher for the Cincinnati Reds, considered to throw the fastest pitches in Major League Baseball. His fastball regularly exceeds 100 mph and was clocked at 105 mph during the 2010 season.
The Chapmaniacs were treated to a display of pitching wizardry as Reds relief pitcher Aroldis Chapman struck out three batters in the ninth inning.
by rossburg December 17, 2010

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