Why you mad tho?
Just like "You mad bro?", this mocks someone one who is raging with anger. It can also be an additional mocking phrase to "You mad bro?"
Guy 1: *screams, shouts* THAT BITCH
Guy 2: ....
Guy 1: God, I f'ing hate that bitch!! ARGHH!!
Guy 2: You mad bro?
Guy 1: STFU!
Guy 2: Why you mad tho???
Guy 1: -__-
Guy 2: ....
Guy 1: God, I f'ing hate that bitch!! ARGHH!!
Guy 2: You mad bro?
Guy 1: STFU!
Guy 2: Why you mad tho???
Guy 1: -__-