[kayo_20211030]

I point you to Nancy Mitford's piece (and others) on U vs non-U.

https://en.wikipedia.org/wiki/U_and_non-U_English

This was a, tongue in cheek, distinction between the language used by the posh and by the aspiring-posh. It's seems analogous to the OP's sense of boss vs non-boss language and diction, which I believe exists.