A person whose personality and lifestyle are heavily influenced by the gym. All of their life choices usually revolve around lifting and proper nutrition.
"All the gym bros have the same Instagram for you page"
by AYdefines February 18, 2022
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Gym Bro-
A person usually a male who spends most of there time in the holy temple of gains (AKA the gym) a gym bro is the alpha male where ever he goes, he fucks ye hottest girls and is usually cocky, you can find gym bros in any gym (EXSEPT PLANET FITNESS ITS NOT A REAL FUCKING GYM)

In a gym bros life he must make at least one trip to California as this is where gym bros originated. Almost all gym bros communicate via the word “Bro”
Omg girl look at all those gym bros they so turn me on
by SEALZROCK April 7, 2018
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The typical gym guy who spends most of his time in the gym fails to follow gym etiquette or is prone to bad gym habits. He is the charater-foil of a gym rat/pro, well-known for spending a lot of time in the gym but he does it efficiently.
"Triston is a gym bro; he trains his chest for 4 hours very day of the week."

"John skips leg day and never does cardio; he is a gym bro."

"Austin doesn't give anyone a chance to use the weights; he is such a gym bro."
by Suzan Deeley March 7, 2018
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Any person who makes their whole personality being at the gym or eating a certain way.
Mike keeps telling me he’s only gonna eat protein for a week, he’s such a gym bro.
by yourmomsgf August 11, 2021
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A 'gym bro' is someone in a group who goes to the gym. The group of gym bros however don't do any proper weight training, lack form, and ego lift. They alternatively do a few curls in the corner, then leave and act like an Alpha
Kyle 1: "Bro are you coming to the gym to get a phat pump on these biceps"

Kyle 2: "Yeah bro no legs though LMAOOOOO"

Kyle 3: "Omg Kyle you're such a gym bro"
by Nxjeb63859 November 14, 2018
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A gym bro is a male whose entire personality is going to the gym, eating protein and lifting weights. Gym bros are obsessed with their own and others' appearance. They think they are extremely attractive and are often fat phobic and misogynistic. They may be aggressive towards women who are in gyms, which they consider "their" spaces, giving unwanted advice, leering or making unwanted sexual advances / comments to or about women while they exercise. They may become aggressive when challenged. Not all men who go to gyms are gym bros.
That guy is such a gym bro. He gives me the ick.
by Spandas January 5, 2023
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chris and tim are always gym bros
hey bro you see those gym bros? the do be hot ah
by cdog6996717 January 13, 2021
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