This one is probably NSFW:
And due to profanity in the title, I'm just going to link this one, which is also NSFW, but is one of the funniest things I've ever seen.
I thought that was hysterical when it happened. Here's another angle:
Funniest moment of the playoffs was the Chris Duhon Traveling Violation Dance after Danny Granger got a game-ending travel call: