The Cleveland Cavaliers on Friday gave away 10,000 wigs to fans for "Wild Thing Wig Night," a.k.a. Anderson Varejao Wig Night, a.k.a. Sideshow Bob Appreciation Night, a.k.a. Bill Walton Merkin Night, a.k.a. Beyoncé Perm Re-enactment Night, a.k.a. Mad Hatter Cosplay Night, a.k.a. Will Ferrell as Jackie Moon fromSemi-Pro Night, a.k.a. the night Varejao sat on the bench nursing his bruised knee and watching the Cavs lose to the Hawks while 10,000 of his ersatz scalps floated above him in the stands. h/t cosbysweaters.com …