Playboy Tre & B.o.B talks about rappers and how they MUG, none of that smiling, in an animated clip at B.o.B’s MySpace. “We rappers and we mug,” a rap leader drill sergeant instructs in the clip. “I want you to muggin the pastor. I want you muggin the mailman. That’s what rappers do! Be a real rapper, and mug!” Watch it below.