high muck a muck

/haɪˈmʌkəˌmʌk/
noun
  1. An important or self-important person, especially one in a position of authority.
    • All the high-muck-a-mucks sat at the front of the auditorium during the ceremony.
    • Don't act like such a high-muck-a-muck just because you got a promotion.
    • The high-muck-a-muck from the head office came to inspect the factory.
Antonyms
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