Pooh Bah
[ poo bah ]
/ ˈpu ˌbɑ /
noun (often lowercase)
a person who holds several positions, especially ones that give him or her bureaucratic importance.
a leader, authority, or other important person: one of the pooh bahs of the record industry.
a pompous, self-important person.
Also
Pooh-Bah,
poobah.
Origin of Pooh Bah
First recorded in 1880–85; after a character in Gilbert and Sullivan's
The Mikado, who holds all of the high offices of state simultaneously and uses them for personal gain