A high muckamuck.
(Initialism) Very important person.
(Informal) An important, influential person
Alternative form of high muckamuck.
(Informal) The main or essential person or thing
(Informal) An official or leader who maintains full control as by holding several offices
Find another word for high-muck-a-muck. In this page you can discover 7 synonyms, antonyms, idiomatic expressions, and related words for high-muck-a-muck, like: muckamuck, vip, , bigwig, high-muckety-muck, kingpin and pooh-bah.