Bro codes are system of unwritten codes that all the bros live by. These laws shall not be broken under any circumstance. Bronstitution is an app that has all of the bro codes and laws, and the punishment for breaking each of the laws.
Michael: "dude how are you so updated with all the bro codes!?"
Steven: "dude I got the Bronstitution app, keeps me in check with the laws man"
by Pharaoh Gervito June 30, 2016
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an assumed list of rules between guys
general things you just dont do to your bros.

bro code rule # 1 - bros before hoes
Bro coed rule #87 - never sleep with your friends ex.

- what man?
- Its in the bro code! you just dont do that!
i cant believe you slept with my ex man!
- man, i feel terrible
by M, Fo April 30, 2008
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The set of rules that is determined amongst a group of friends. This code can include anything from dating rules to what type of food must be cooked at a bro night. The Bro Code can also include punishments for breaking these rules & laws, and they must be followed if you wish to stay within the circle of bros.
Guy #1: Dude, last night I got laid by Derek's ex-girlfriend.

Guy #2: You violated Bro Code! You know the punishment for sleeping with a friend's ex!

Guy #1: Aww, and I had just got rid of the bruises from last time...
by Tanner P. June 01, 2010
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The sacred code held between Bros. Its closest equivalent or counterpart is Girl Code. To break code with one of your Bros is a blasphemous, sacrilegious, and high Bro treason.

To break the code of Bro is to break the Brolific bond you might have with your Bros.
Example ~

Bro 1: "hey dudes, please don't tell my GF i came to play poker tonight, she'd be totally pissed Bro."

Bros 2 and 3: "Don't even trip man, Bro code."

An example of Bro Code being defiled:

Bro 1: "Dude! I just found out my best Bro has been coming to my apartment and fucking my girl and drinking my beer!"

Bro 2: " Thats ghey as fuck dude, you should totally beat his bitch ass."
by wang chung wong shu August 19, 2008
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Conversation that friends have that only they can understand, many times this is used when describing other surroundings when opposite sexes are around, a distinguished lingual that is understood by each party as a set meaning, language that can be many words or just a few that have meaning, this language can also be taps, hand shakes, winks, nods or other forms of body language
Bobby saw this real hot girl standing with her friend, looked over at James and flapped his arm as bro code, telling James he needs him as a wingman
by Anthony Kranz August 26, 2007
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A code for men who are insecure about their masculinity and need to let the internet dictate their behavior because they don’t have their own common sense.
Man: “Dude, why don’t you ask out Kara?”
Bro: “She’s Matt’s ex. I can never break bro code.”
Man: “Matt has been married to Shelly for five years and we’re all on good terms if you want to date Kara. Learn to read social cues from individual situations, dude.”
by Schemic June 11, 2018
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A set of codes for friends to live by: No friend shall date, talk to or hangout with another friends X girl unless he is approved to do so.
John broke bro code by hanging out with Bob's X girlfriend without getting approval first.
by Therealistofthereal January 14, 2015
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