big man on campus
n. an important male college student.Hank acts like such a big man on campus.Let some big man on campus do the dirty work for a change.
big-time operator
n. a man who chases women.This big-time operator comes up and asks me to go home with him.That twit thinks he's a big-time operator. A stud he's not.
BMOC
n. “big man on campus,” an important or self-important male college student. (Initialism. Collegiate.)Who's the BMOC who keeps trying to get elected class president?When this BMOC asked me to leave, I ignored him.
boss man
n. the man in charge.The boss man's coming. Watch out!I guess the boss man is about ready to retire.