Typically used by people to put down college men who belong to a fraternity. While you will find the occasional member who is shady, obnoxious, or in some way fits the stereotype, the majority are intelligent, fun, and good-looking young men who understand the true meaning of brotherhood as friendship and striving to meet the high ideals of their organization. Sometimes, the phrase is used by a sorority girl, and in that case it is usually not derogatory.
"Why are you going out with a frat boy? They're all weird, preppy guys who have low GPAs and don't care about women."
"Stop putting down the Greek system when you obviously know nothing about it."
by adpi girl March 11, 2007
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A young man who behaves in a boisterous or foolish manner considered typical of members of some college fraternities. They also have red solo cups, vv, and Dannah' shoulders.
Shreya is not a frat boy because she has vv and red solo cup, but not dannah' shoulders.
by Fratboy101 December 16, 2015
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The final stage of gay denial. These guys shower together, they slap each other on the ass, they fall asleep next to each other after all night drinking and talking about how much they love each other. But if you happen to be wearing a tie they call you a fag.
Frat boy 1: "Hey let's go play some touch football then shower together and slap each other on the ass."

Frat boy 2: "I'm there dude. Everyone who isn't in a frat is gay."

Frat boy 1: "Shut up and keep sucking."
by Sam is a Dick February 28, 2007
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A college-aged male, usually coming from a wealthy, white family. He usually is very preppy (wears polos, oxfords, khakis, plaid shorts, loafers, etc...), and contrary to popular belief, is NOT a collar-popping, roofie-giving, douchebag. The reason they are hated by alot of people is because most of them are proud of being a wealthy, preppy, conservative white boy. And there is nothing wrong with that.
Guy 1: "So Alex, you are a Frat Boy?" Alex: "Yes I am." Guy 1: "So your one of those douches that slips roofies to girls and rapes them?" Alex: "Wow, your ignorance amazes me."
by RedCupRebel March 31, 2011
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Sweet people!

A college kid who thinks he's better than everyone else because he is in a fraternity. Some college kids are frat boys even though they aren't in a fraternity. Frat boy behaviour is typified by drinking shitty beer, hitting on high school girls, making fun of punks, and wearing boring clothes.


A college kid who thinks he's better than everyone else because he is in a fraternity. Some college kids are frat boys even though they aren't in a fraternity. Frat boy behaviour is typified by drinking shitty beer, hitting on high school girls, making fun of punks, and wearing boring clothes.
by dolaor September 22, 2007
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Members of a fraternity on a given college campus. Usually people who enjoy drinking to excess 3-4 nights a week. Mostly majors of finance, econ, other business. Can party all the time and still get high paying jobs out of college because their parents (or friends parents) will hook them up with employment. Frequently referred to as being "gay" by non-frat members who are jealous because they can't get hot pussy.
Frat boys have parties filled with at least a 60/40 girl to guy ratio and bang hot sorority girls...Non-Frat boys go to sausage fests where they bitch about how gay frats are...then go home drunk and alone to jerk off
by bigpoppa88 July 27, 2008
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Abercrombie. Birkenstocks. Shaka bra. Poka shells. Ya Bro. Gelled up buzz cut. So-Cal lets go drink and rape some B*tches. Wears SRH and Skin but doesn't know what the company is. Too cool for school. Running shoes and torn shorts. Soon to join the military cause school is kicking him out
Awww bro I'm a frat boy and I surf this like 7'9" shortboard and stuff.. Shaka bro ya SDSU for sure! Lets get together tonight bro we'll hold hands and kiss and not tell bro. Ya for sure. Forget the girls bro all we need is each other!
by A-dub94 July 3, 2006
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