Top definition
Someone who resembles a heavier Matt Damon and hits on women in Public.
The only way to defend against a Fat Damon is to address everyone in the vicinity, and in the most retarded voice possible proclaim, "Faaaaat Daaaamon".
Guy1: "Hey buddy, you better keep an eye on your girl. Looks like she's getting Fat Damoned at the bar."

Guy2: Approaches the bar gaining the attention of all around and proclaims in a retarded voice, "Faaaaaat Daaaaamon."
by vector 2518 SBS January 10, 2011
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Jun 5 Word of the Day
A pubic hair piece. A toupee for the pubic area/genitals. In the 1700’s when mercury was used to treat sexually transmitted diseases (Gonorrhea or Syphilis) one of the side effects was the loss of pubic hair. To disguise this condition, that was not cured by mercury, a Merkin was employed.
17th Century setting: Due to his treatment of the "French Pox" (syphilis) with mercury a merkin Gwendolyn used a Merkin to used to hide the side effects of hair loss and not alarm her husband.
by David W. Tuthill December 30, 2005
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2
an insult towards fat people. the humor of the term gets its punch because it rhymes with actor Matt Damon.
Doug: Carrie! You ARE abusive towards me! You make fun of my weight all the time!

Carrie: I do not!

Doug: Oh yeah? What about the time you called me Fat Damon? That was five minutes ago!!
by Chris Norton February 24, 2009
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