"It's a tweet-eat-tweet world we live in.

And now you know a little bit about what it's like on an NBA basketball court, where nothing is off-limits when the walks are walked and the trash is talked.

All-World yapper Kevin Garnett got into it with Detroit's Charlie Villanueva with 2:39 left in the Celtics' victory over the Pistons at Auburn Hills, Mich., Tuesday night. Villanueva suffers from alopecia universalis, a skin disorder that causes hair loss, and after the game, he tweeted that Garnett had called him "a cancer patient.'' As part of a taunt."