j bro 

A derogatory term used to describe:

(1) A spurious bro who tries to fit in with genuine bros, but fails

(2) A poser, wannabe or social climber, often marked by overconfidence

Sometimes used by Anglo-Americans to express ethnic distaste or xenophobia, especially toward Italians, Jews, Eastern Europeans and even Irish

Also slang for jabroni

Bro 1: "Look at that j bro over there, what a wop! Who let him in?"
Bro 2: "I wish I knew. What kind of bro rocks an untucked black button down? And hair gel?!"
Bro 1: "A j bro, obviously. And chinstrap sideburns, to boot!"

j bro by The Brocrastinator December 10, 2009

J Bro 

Super awesome computer nerd who loves riding his bike on Thursdays and has freakishly long legs.

See that J Bro over there on his bike! Man, he sure has some long fucking legs!

J Bro by Cali Halcy March 22, 2009

j-bro 

derogatory only in that we could never remember his name.

a.k.a. "Jay", then "'bro", then " J-BRO", "j- b-dub" (jbw), " j-b dub-stylee" (when a sound engineer for ska / reggae band), and "jim-bo".
original response from said character in 1995, "dude, my name is Jim! ..... Uhh..., you know?... James?!

J- bro has been the contraction for at least one male who's name begins with a j and who's name doesn't match up with his face, causing confusion with more than one drunken musician in Boston, while auditioning guitarists in 1995.

" hey j, i can't hear my kick drum" (turn the guitar down)
" j-bro, when are YOU gonna buy some beers?"
"j-b-dub! doin' sound at t.t.'s tonight?"
"Iree!!! dub stylin' j-b-dub's in the house tonight!"
".. whatch you godda do is relax jim-bo!"

j-bro by donny of the drummonds September 29, 2011

J-Bro 

A guy with a disproportionally large ass. More commonly known as runners butt.

That dudes ass looks way out of proportion compared to the rest of his body. Thats what I call a J-Bro. Dayumn!

J-Bro by Redlantrn July 8, 2009

J-J-BRO

A word used when one is departing a place or situation. The phrase is an acronym for Jet, Jam, Bounce, and Roll Out.

Man, this party sucks... lets J-J-BRO!

J-J-BRO by Erin Baker April 2, 2007

bro j 

Oral sex from one of your guy friends in a totally-not-gay way

Guy 1: Yo that dude is sucking your dick! You guys are so fucking gay!
Guy 2: No man, it's cool. it's just a bro j.

bro j by CFR21b8 August 24, 2008

Bro J. Simpson 

Noun. That best friend of yours that always gets blamed for things he probably did, yet still gets away with them.

Chad: Dude, did you hear Mike got caught pulling a double decker last week?
Brandon: No way, seriously?
Chad: Yeah, but he def totes got away with it, brah. We got Bro J. Simpson over here...

Bro J. Simpson by The Makeout Bandit October 25, 2011