Top Definition
1) The occurrence of the end of the city of Cleveland if LeBron James leaves the Cleveland Cavaliers.

2) All chances of Cleveland winning a sports championship coming to an end.
I saw on ESPN that LeBron signed a contract with New York, I guess its the LeBrocalypse for Cleveland.

Since the LeBrocalypse occurred, Cleveland will never win a sports championship.
by William Z May 12, 2010

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