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
by I Kevin October 25, 2010
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Phrase used as a tool for "Online Trolls" to constantly nag or irritate the opposing team or individual.
Game: "Boooom Headshooot!"

Troll: " You mad bro hoe?"
by Onewordatatime September 25, 2011
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a response to someone when they say they are mad or are actually mad that makes them even more mad
Jim: you mad bro?

Rob: STFU FAG YOU ARE SUCH A LOW LIFE WANNA BE TROLL

Jim: why you mad bro?

Rob: FUCK YOU!!!!
by mabuss February 27, 2014
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trying to annoy someone that has no idea whats going on.
chuck: ''hey guys what's going on"
Barbra: ''GIVE ME THAT WUSSABI!"
chuck: "what?!??!?!"
Barbra: "Y U mad bro?"
chuck: "I'm not mad"
Barbra: "but, really, Y U mad?"
chuck: "I'M NOT!" (walks away very annoyed)
by ilovebluewussabi August 13, 2010
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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???
by U Mad Bro June 15, 2014
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