Brennan

A annoying ugly ass bitch that is just a smart communist
That bitch be so ugly he must be a Brennan
by A ugly guy April 12, 2019
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Brennan

A pussy bitch that plays games all day, has no hoes and is gay
Brennan’s a bitch
by Brodie f July 29, 2022
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Brennan

An Eminem wannabe who is actually garbage and has a friend who's an owl. People hate this kid and he's a high school dropout.
by Heywhatsupguysitsscarcehere February 18, 2018
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Brennan

"my boyfriends dick is so small! its almost not there"
"ugh! what a brennan"
by frickleonmydickle July 26, 2018
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Brennan

A Brennan is a sarcastic, logical, and loyal and usually hangs out with guys. She likes to prank people and gets into detention a lot for stupid things, like talking in class, but doesn't really get caught for bad things. Her friends are usually very protective of her and a Brennan has a good sense of who is a friend and who is a foe. This can take trail and error, but a Brennan is smart and resourceful. She doesn't like to ask out guys or admit she likes them because she is very proud. She usually has the mind set of, "What can't I do?"
Boy: I would ask that girl out but she looks terrifying
Friends: Oh, that's just Brennan!
by Ms.Marauder March 17, 2017
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Brennan

A big fat whale of a problem (inside joke)

brags about penis size, but is to scared to show his " 40' by 6'" dick
me that person didnt pay me back!
someone esle what a brennan
by the insultain of insultes March 10, 2017
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Brennan Huff

A main character in the movie "Step Brothers" played by the actor Will Farrell. In the movie he meets his step brother through destiny and start the worlds greatest company prestige world wide. Brennan Huff rotates through many women on a daily basis but with Dale Doback by his side he is unstoppable in one of the most historical films in American history.
Brennan Huff is the song bird of his generation
by deafmansdelightspecial February 22, 2010
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