The Toronto Raptors got absolutely demolished by the Cleveland Cavaliers in Game 5 of the Eastern Conference Finals on Wednesday night, losing by a total of 38 points (116-78). Raptors head coach Dwane Casey was understandably livid throughout the contest, but did a poor job in hiding his frustrations during this exchange he had with a belligerent Cavaliers fan.

hahah who is this guy pic.twitter.com/LZeXEevSR9

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— James Herbert (@outsidethenba) May 26, 2016

Arguing with a fan who likely had one-too-many outrageously priced adult beverages is beneath the head coach of an NBA team trying to win a championship, and Casey should know better.