Dwane Casey gets into tiff with court side Cavaliers fan

On Wednesday night, the Cleveland Cavaliers annihilated the Toronto Raptors by a score of 116-78 in Game 5 of the NBA's Eastern Conference Finals.

Despite being up by 34 points at the time and an all-but-certain 3-2 series advantage imminent, one courtside Cavaliers fan in particular was still not in a festive mood.

As a matter of fact, the fan wanted Dwane Casey to know about it -- and the two had a rather intense exchange of words:

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hahah who is this guy

— James Herbert (@outsidethenba) May 26, 2016

The narrative remains true: until the city of Cleveland wins a professional sports championship, nobody is safe.