Noun
(often mildly derogatory) A male boss or employer. [from 1930s.]
Coordinate terms: bosslady, bosswoman
(vocative)
Used as a term of address for an unfamiliar, possibly distrusted man: bud, buddy, friend.
You should watch what you say, bossman.
I don’t know what to tell you, bossman.
Used as a term of address for a man who appears courageous: boss.
You really showed them, bossman. What’s your name?
Another, Bossman Foster said; “Since morning the authorities here have not come out to tell us anything about the slow pace in registration. Source: Internet