What is [the Boss-o'-me]?
The boss with whom a kind of unwitting intimacy springs up because he/she is one of those people who doesn’t get the concept of personal space, i.e. he/she comes too close when talking, and tends to brush shoulders when walking side by side.
“OMG, my hand was on the back of the chair when he leaned in!
He is so "the boss-o'-me"!