Matt Damon may be "too scared" to join Twitter, but he isn't afraid to send a butt fax.
The Oscar winner responded to pals Ben Affleck and Jimmy Kimmel's teasing over his non-existent Twitter account by sending them over a shot of his bare bum.
"Dear Ben & Jimmy, Here's my fax. Love MD," a message accompanying the shot, sent on Damon and Affleck's Pearl Street Films letterhead read.
