d(=^_^=)b
A guy who thinks he's a DJ, but he's just wearing headphones and pretending he knows what he's doing.
He's d(=^_^=)b and thinks he's a DJ at a club.
My brother is d(=^_^=)b and he's making everyone listen to his terrible music.
He's d(=^_^=)b and he's trying to impress a girl.