Meaning of muckety muck | Babel Free

Definitions

A high muckamuck; a person (especially self-important) in a position of power, authority, or status.

US, colloquial

Examples

“Consequently, there have been times when the muckety-mucks at Merriam-Webster have requested that we all mark every third or fifth word in at least one source just to fill our files with words that would not usually catch our eye.”

CEFR level