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
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019