An extension of the common slang word bro. It's origin is unknown, but it has come to mean a bond of brotherhood exponentially stronger than bro. It is the deepest form of friendship, and the cloest two men can be without being homosexuals. In order to fully witness and realize the potential of so called 'brosivity', one must mix good friends with lots, and lots of beer.
Josh Salisbury, although he takes alot of shit, is a brosif.

Hey brosif, let's pound some beers.
by Brosif January 28, 2006
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a term directed at you're best friends (you're non-backstabbing, non-bitchy, non-girly, non-kill joy friends) A Brosif is someone that's down to chill and always down for a good party.
What it do, Brosif Boo?!

Dude, Eligha takes alot of shit but he's still a brosif.

Brosif! What did you do to my Car!
by Zakkkkk4 July 11, 2008
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Term used to refer to a friend or another person in general.

90's synonym for Bro/Dude
"Yo whats all up happenin' bro?!"

"Not much brosif how 'bout you?!"
by OwMyBodyHurt August 2, 2019
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Middle eastern brother/best friend. Do NOT call your sister brosif because it is a very offensive term to call a woman
This is my brother, Sahil, he is my brosif
by Ncg13 April 16, 2017
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Person 1: hey, who is that dude
Person 2: that's Amir, he is my brosif
by Ncg13 April 16, 2017
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The process through which a neighborhood becomes more friendly to bro culture (brosified). Similar to gentrification, but more laid back. Common indicators of brosification include increased frequency of high-fives, shirtless men, and an inexplicable growth in the popularity of singer-songwriters with acoustic guitars. Brosification of an area generally occurs following long-term hipster infestation. Once an area has been suitably deemed “hip” long enough for the general population to notice, ordinary people and college students will begin to visit the area more frequently to consume its culture. Though they are often considered slower than the rest of the pack, bros have an innate sense of where the party at. It is unclear whether hipsters depart brosified districts because they are no longer cool, or are pushed out by the overt demonstrations of affection and popular culture preferred by the bros, but hipster populations decline in direct correlation to brosification. There is no known method to reverse the effects of brosification. Once there are enough bars and other venues to satisfy a tour of bros, they will not leave the area except for occasional trips to the beach and/or outdoor music festivals. Further study of this phenomenon is highly recommended in order to understand the larger implications to society.
This neighborhood has seen some serious brosification, man. Bros, shirtless bros everywhere.
by toezilla August 8, 2014
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the best friendship i guy can have to another guy before being gay
kevin:why did u guys just hug are u gay

jeff&andrew:no were just brosifs
by Dave Tedesco February 1, 2008
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