Throttlebottom

[ throt-l-bot-uh m ]
/ ˈθrɒt lˌbɒt əm /

noun (sometimes lowercase)

a harmless incompetent in public office.

Origin of Throttlebottom

after Alexander Throttlebottom, character in Of Thee I Sing (1932), musical comedy by George S. Kaufman and Morris Ryskind