Come at me bro

[Jessica]

A phrase popularized by Ronnie from MTVs latest train wreck of a reality show, [Jersey Shore].

[Jessica]

It means bring it on.
This phrase was created in Second Century AD by a bishop of Smyrna, named Polycarp. It was some of his last words before getting martyred for no renouncing the Christ.

[Justin Bieber]

A slang term generally used by a confident man of action towards some punk ass frontin bitch, as a direct way of callin their sorry ass out with an invitation to prove their mettle and step up, or GTFO.
It usually follows a heated exchange of verbal insults and/or threats, but can also be instigated by other means (e.g: girlfriend being eyeballed, etc.). Those that use this slang term adhere to the codes of walking the walk, not just talking the talk, as well as speak softly and carry a big stick. They generally dont go looking for trouble, but will deal with it without any hesitation or fear.

[Rihanna]

A common phrase usually used to playfully challenge friends.

[Mark Zuckerberg]

Come At Me Bro (Abbreviation: C@MB), an expression embodying a challenge or exclamatory response to a statement. The phrase is often used in conjunction with or in response to Cool Story Bro (C), a similar phrase in application and meaning.

[Couch Potatoe]

A greeting given to others who have heard of Come at me bro