A term used to describe a man, usually a superior or partner in the workforce, who commands great respect by his actions and presence, with no need for threats or cheep tricks. Depending on the person, could also be considered a badass
"Hey, who's the guy in the coat?"
"He's the Bossman, and I wouldn't get on his badside. I heard he once took on an entire street gang with only a car, his older brother, and a hammer, and manged to get away with only a totaled window."