☝️🤓this line actually has lyrical meaning. He is telling someone they are the king, which tricks the person into believing they are someone that is powerful, influential, or important. But then he says Burger King, which means that you actually are not as important as he lead you on to believe. As being the king of “burgers” is nonsensical and the title has no importance.☝️🤓
On the contrary, if there's anything he's definitively shown the whole world, it's that he refuses to and will not pretend for it. He's lost billions precisely because he refuses to fake.