Columbia thug
Someone (usually young adult) who lives in columbia maryland, who's family obviously makes $80,000+ a year

(or you cant live in columbia cause it costs so damn much)

But decides that he or she must act ghetto because they want to be like the ganster rappers on MTV.
Columbia thug: "Yo drop that wallet fool!" "IM GANGSTA!"
Me: "Fuck off, columbia thug before I dick slap you"