One of the two high schools in Norwalk, CT. Students are generally from West Norwalk, South Norwalk, and Rowayton. Becuase of the Center for Global Studies, or CGS, there are also a lot of students from all over CT. These out-of-district students adn the other centerkids are stereotypicaly obsessed with Asian culture and are likely to wear animal tails or cat ears. There are a bunch of preps who will say they're from Rowayton even if they aren't. They love Vinyard Vines, own at least one pair of Uggs (even the guys), and have a car. They are really snobby and cliquey. There's also a bunch of ghetto people who think that they own the place. The ghetto girls will often randomly scream in the hallways for no reason. There is also a fair share of nerds, Haitian immigrants, and hispanic immigrants. The school is domminated by two cults, known as SCF and Peace Project. It has the lamest mascot ever, the Senators, and its colors are red, white and blue. Has a rivalry with Norwalk High.
Why is that kid wearing a tail?
Oh, that must be a centerkid from Brien McMahon High School
How many pairs of Uggs do you own?
Five, I mean, hello, I live in Rowayton.
Brien McMahon High School is way better than Norwalk High School!!!
Oh, that must be a centerkid from Brien McMahon High School
How many pairs of Uggs do you own?
Five, I mean, hello, I live in Rowayton.
Brien McMahon High School is way better than Norwalk High School!!!
by bewareofmsjones June 16, 2010
Get the Brien McMahon High Schoolmug. by urMom's Spaghetti September 9, 2023
Get the Brienmug. by yacob k July 31, 2022
Get the Cool kid brienmug. A person who has a sexual attraction to men, or sexual preference for men.
A Brien also tends to be short, especially in heights under 5'3.
A Brien also tends to be short, especially in heights under 5'3.
"Oh my god have you seen Cindy? She's definitely a Brien."
"I know a man who is a Brien, I'm pretty sure he's 4'11."
"I know a man who is a Brien, I'm pretty sure he's 4'11."
by allfactsnocao August 5, 2022
Get the Brienmug. 
he is a man who lives in county Kerry in Ireland and has a wife who he beats and forces her to birth more of his demon seed. One time he got so drunk he fucked her down the stairs and she slid like a penguin.
by Uchiha Kole October 30, 2014
Get the chester o' brienmug. by allfactsnocao August 5, 2022
Get the Brienmug.