Become a MacRumors Supporter for $50/year with no ads, ability to filter front page stories, and private forums.
i didn't even crack a hint of a smile, completely not funny and just dumb. I mean it is Letterman though so it's not like i should have great expectations :p
 
If they had done the joke as an iMac and said "giant chin" instead, i would have laughed.

Also in that case would have been more appropriate for Jay Leno :)
 
Register on MacRumors! This sidebar will go away, and you'll see fewer ads.