The act of shitting on a partners neck and covering the neck in it. Like that brown scarf Matt Damon wore in some old forgotten movie.
Person#1:Haha dude I gave your mom a Matt Damon Scarf.
Person#2:Suprise bitch I gave your dad one too.
Person#1:Fuck you
Person#2:Suprise bitch I gave your dad one too.
Person#1:Fuck you
by Anonymous Magic Man December 12, 2009

A situation where one partner in a couple has ended the relationship by dating, and having immediate intimate relations with a new person of perceived higher social status.
See trading up
See trading up
Frank: Are Sandra and Kasey still together?
Jim: No, I hear she's dating some 25 year old brain surgeon. He's loaded plus he looks like a male model. Word on the street is he took her to Mexico for the weekend.
Frank: Wow. Well, she's fucking Matt Damon.
Jim: No, I hear she's dating some 25 year old brain surgeon. He's loaded plus he looks like a male model. Word on the street is he took her to Mexico for the weekend.
Frank: Wow. Well, she's fucking Matt Damon.
by Knowmadd April 11, 2008

An expression, depicting the desire for progression to another task, derived from the recent viral video war between Jimmy Kimmel and Matt Damon as facilitated by Kimmel's girlfriend Sarah Silverman.
"Halo 3's played out. Let's put down the guitar and f*ck Matt Damon."
"Sure. Wait? What the f*ck did you just say?"
,or,
Dude, you're always skipping from one thing to the next. For once could you just hold on to the guitar and NOT f*ck Matt Damon!
"Sure. Wait? What the f*ck did you just say?"
,or,
Dude, you're always skipping from one thing to the next. For once could you just hold on to the guitar and NOT f*ck Matt Damon!
by Derek Weyhrauch February 27, 2008

by Elenalovesdamon February 10, 2021

by TNBH October 7, 2021

He is a handsome guy plus a polite gentleman. He pays respect and care to everyone he knows well. Although he is kind of attractive, he doesn't like girls around. He is a responsible person for everything he cares about. However, he is kind of 'old fashion'.
Damon Lee is my favourite childhood friend, but he still wears a navy coat in winter. Funny, isn't it?
by Chewgum652 November 21, 2021

Man, that guy is such a Damon. He parked his lifted truck blocking the sidewalk and complained that he couldn't use all the street parking.
by Dave Screwnutandbolt April 9, 2022
