When you avoid Sportscenter for a few days following a game, trade or other sporting event that upsets you or went directly against a team you root for.
Me: Melo's goin' to the Knicks!!!
Pete: Dude, I'm a Nuggets fan. I hate you and I'm going on Sportscenter Blackout for a few days now.
by shmek February 22, 2011
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