1 definition by MonsterRave
A Matt Damon is when one of your friends either does or says something stupid this is a adopted term from the film Team America World Police in the film Matt Damon can only say his name and is shown in the film as a retard. It can be used if a friend doesnt understand a joke, says something very stupid, does something very stupid or if he is generally not very clever
by MonsterRave August 15, 2010