Someone who has come from nothing, gains money, fame or popularity, usually by luck or coincidence ( see ; Golddigger) and then acts as if they are the king or queen of the world.All That And A Bag of Chips; in millennial speak.
Those Kardashian girls came up when Kim was banging Brandys Lil Bro. Now they be acting Boujee AF!
Person1: you mad boujee
Person2: WTF does that mean?
Person1: when you try to be some lavish bitch, but you knowyou're not Person2: lol I'm some rich bitch
Person1: Nahh you some broke bitch,. Gettin your shit from canal st.