Telling an unbelievable lie and getting away with it.
The term derives from "the Boss" who is an anonymous, fictional, public figure. Who lies a lot but always convinces the reciever he is honest.
Mark: "John... Did you really see Haley last night?"
John: "Nah bro, I was doing a 'boss' weren't I"
1π 4π
The last sentence you say before being sent to oblivion. Used in fights.
Bully: Heh kid, bet you canβt land one hit.
Bullied kid:*looks in his eyes*
Bully: Why do I hear boss music?