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Assholes who can't even say "bro" and make it worse by saying "brah", though sometimes they say bro. I am excluding the Hawaiian slang here. Brahs typically play lacrosse (big here in Maryland) and in their spare time play X-Box, get drunk with some sluts, or butt-fuck each other and claim they aren't gay, or make fun of gays because they are insecure. Brahs usually travel in groups of 4 or 5 and carry around their lacrosse sticks and make sexist "women should stay in the kitchen" jokes.

Brahs also like to wear their shorts or pants below their ass and pull their boxers up to at least mid-back. This solidifies my belief that they enjoy being ass-reamed. These guys like to brag about everything from how much they can bench press to how much pussy they get. In reality they are usually really weak and only sluts hang out with them, but they also never really get any pussy because, like I mentioned before, they are champion fudgepackers.

If you know a Brah, do him a favor and kick his ass.
John: Hey woah Brad! What's up brah?
Brad: Sup brah? Not much, let's go play some lax.
John: Dude, can Jen come along, we've been like, going out for a few days now brah.

Brad: Really? Sweet brah! You hit that pussy yet?
John: Psshh, hell yeah brah, I told her to make me a sandwich and shit.

(both do the stupid fucking finger slap that brahs do)
Jen: Fuck you John!
by 123jhg123 August 28, 2011
slang term, basically meaning 'friend,' 'bud,' 'dude,' 'bro,' etc...

commonly used amongst stereotypical male surfers/skimmers/etc...

*take the below conversation as an example.
boy 1: "sup brah, how's the surf lookin?"

boy 2: "shit brah, it's gnarly as fuck out there today"

boy 1: "damn! well let's waste away blazin' then"

boy 2: "true"
by ... April 14, 2005
A term used by Frat idiots and most others acquainted with Frats and sport buffs. Most commonly spotted; white males that wear white college hats that say funny mascots on them, often worn backwards. You can spot them at parties, usually wearing a greek letter on a T-shirt and drinking natural light beer, yelling loudly and accompanied by retarded soroity girls also blabbing. Stoners & Tweakers have been known to use this term too
Sup Brahhhhh!
Nothin' dude! Sup with you Brahhhhh!
Duuuuude I just smoked this blunt Brahhhh!
Yeahhhh Brah Doggggg!
Fuuuucccckkkk Yeahhhhh!! Gimmie another beer Brahhhhhh! Yeahhhh Go Texas Dude Brahh!
by greeklifeblowsknob! January 17, 2005
Variation of the shortening, "Bro," which is an abbreviation of the word, "brother." However, it does not have to be restricted to a blood-related brother. It an be used instead of an actual name. It is commonly used among surfers.
Squanto:Wsup brah?
Minjo:Nothing homie.
by spitfire61916 March 16, 2006
term used by island illiterates who are unable to spell and sound out the letters of "brother" "brosef" "friend" or "goodbye, dana." Will get you grilled like a george foreman in the mainland if it is preceded by "shooties" and followed by a thousand queer exclamation marks. SHOULD NOT BE USED TO ADDRESS GIRLS
James: "aww i g2g those dishes arent gonna do themselves, shooties brah!!!!!"

James: "i know that i lose more of my manhood each and every time i address you this way, but i can't stop: shooties brah laterz!"

by dclap April 01, 2007
sweet laxer/surfer word from bro, meaning brother
Lax or Die, brah!

Sup brah?
by KLax October 25, 2005
Verbal abbreviation of 'brother'; generally used to address a male friend or acquaintence. Most likely derived from the "pidgin English" spoken by descendents of African slaves brought to the Carribean islands between 1492 and 1885.
"Hey, brah! Where y'at?"
by Paul Caporino September 14, 2006
A term of affection used between males with fraternal bonds; brother, comrade.
Brah, you'd better stop picking your nose in front of Mr. Neidhart.

My brah Dennis Dubay is a real winner in life.

Brahs don't shake... brahs gotta hug!
by Tarrasque November 18, 2002