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2.
A very funny comedian, with nice hair and a good sense of humor.
Emma: This is great. "I think the worst time to have a heart attack is during a game of charades. Especially if your teammates are bad guessers. Or during a game of pretend heart attack, and then naps."

Annie: Isn't that Demetri Martin, the funniest/best comedian to ever live?

Emma: Yes indeed.
by emmawemawoo August 28, 2008
 
1.
A great comedian. Dropped out of law school after realising it sucked. Became a comedian. He is a personality on ShoNEXT. A branch of the showtime movie channel. Has stated in his act that he gets his jokes from a forest in his mind where hobbits, dragons, and his Mother and Grandmother live. Thinks he is less compassionate then a desert because his cactus died. And has proven that Leather Sleeves = Coolness.
"This creature is made of the head of a horse, And the body of a man who seeks alot of attention. This symbolizes me in college."
by iwannabeanalcoholic January 27, 2005
 
3.
Person
Oh Demetri Martin? Yeah, he is a person.
by Also a person June 09, 2011
 
4.
n. what you become when you have too much free time
1. I realized my friends' birth dates, together, all match my cell phone number.

2. I memorized Demetri Martin's mnemonic for remembering the alphabet!
by dacos April 08, 2009
 
5.
Comedian who ripped off mitch hedberg's style. But he's still funny...
"Another term for balloon is bad breath holder" ~Demetri Martin~
by Sgt. Pepper May 10, 2005