A guy who is not in a fraternity (however has the potential of being in one) but has the character traits of a stereotypical frat boy. This includes drinking, partying, being a douche, and trying to get laid. Frat asses can also be fraternity boys who are only in the fraternity for those specific reasons.
by Uranus101 November 2, 2010
Get the Frat Assmug. 1.) A person, mainly of Fraternal origin, that has an aura of booze drinking, Holier than thou, and overall stupidity.
2.) A friend who drinks a lot and/or acts as above.
2.) A friend who drinks a lot and/or acts as above.
by Garfunkel64 April 11, 2010
Get the Frat Assmug. A dumbass who thinks it's okay to do drugs, get STDs, and shoot (literally or metaphorically) other people in the face. He doesn't nesscessarily have to be in a fraternity, he just has to show stereotypical frat boy douche bag qualities.
by A-person_yay June 21, 2014
Get the Frat assmug.