Noun: Someone who's incredibly ridiculous actions lead you to say, "Dang Bro!"
Adj: Something that is "legit" or awesome in a bad ass and shockingly offensive sort of way.
Noun- Mike is such a Dang Bro... I can't believe he shit in that trash can at Taco Bell.
Adj: That was quite the Dang Bro maneuver Adam just posted. (After he just passed 5 cars on the shoulder illegally.)