A guy who thinks he is strong and better than everyone else, but in reality he is a joke. Usually big boss men have big egos, but cannot live up to them.
That guy is such a big boss man, he walks down the street like hes in charge.
by Leitch Hall Umass Lowell October 14, 2009
A mildly obese prepubuscent child known for his black kevlar vest and his constant entertaining of the legendary 5th period. Also known as "Big Bitch Man"
The kids were throwing shit at Big Boss Man as usual.
by Matt February 26, 2004