U mad bro? 

A phrase trolls use to piss off an already mad person even more.

Person 1:WTF THIS IS THE DUMBEST SHIT THREAD EVER HOLY SHIT OMG IM SO FUCKING MAD IM GOING TO KILL YOU ALL!!!!1!!

Person 2:lol U mad bro?

Person 1: FFFFFFUUUUUUUUUUUUUUUUUUUUUUUUU

U mad bro? by xcdemon05 September 13, 2010

U mad bro 

a sarcastic way of teasing the other person when they are obviously mad

Guy1: <to guy2>"You son********!!?%*##"
Guy2: you mad bro?

U mad bro by ilikeslang March 26, 2016

U Mad Bro? 

A phrase commonly used in games in which one player is intentionally doing something in order to piss another off. This phrase is then repeated multiple times as a way of pissing off the offended player, causing them to want to reach through their screen and strangle the 10 year old kid on the other side and leaving the occasional gaping hole in one's computer, TV, etc. screen.

Offended: Dude, leave me alone.
Offending: U Mad Bro?
Offended: Seriously, leave me alone!
Offending: U Mad Bro?
Offended: Dude!
Offending: U Mad Bro? U Mad Bro? U Mad Bro?
Offended: GODDAMMIT!.

U Mad Bro? by BigFish April 2, 2013

u mad bro? 

You use the sentence when someone is mad

what? u mad bro? answer me now, cunt.

u mad bro? by Levi Wood January 27, 2022

u mad bro? 

A phrase used by unfunny unoriginal douche bags who can't think of a decent comeback in an argument.

Arguer: -Insert witty comeback that would cause an audience to go "OHHHHHHH!!!!"-
Unoriginal Douchebag: lol u mad bro?
Arguer: "FFFFFF-"

u mad bro? by johnny cade the fourth December 27, 2011

u mad bro 

Three words often used on the massive multiplayer game called "RuneScape". A term used by many players also known as "Trolls" when they have nothing else better to say back to someone.

I k3vz I: FFS John just got specced out
Nizmo30: lol u mad bro

u mad bro by I Kevin October 25, 2010

U Mad Bro??? 

Abubakar Jalloh is an retarded Senegalese that thinks he is the best but sucks at everything. Including Black Ops 2 and soccer. Abubakar Jalloh is cocky and annoying.

Stop acting like Abubakar JallohU Mad [Bro???

U Mad Bro??? by U Mad Bro June 15, 2014