Top definition
a disease that inflicts 95% of Mundelein High school athletes. Its symptoms include the lack of ability to work out in the weight room or in the offseason. Also, causes athletes to think they suck at everything and will never win. No cure has been found yet.
Bob-Hey man why don't we ever win?

Jim-Cause we all have the Mundelein Fever
by I know all711 October 15, 2009
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