Definition of high muck-a-muck in English:

high muck-a-muck

(also high muckety-muck)


North American informal
  • A person in a position of authority, especially one who is overbearing or conceited.

    ‘a high muck-a-muck at the CIA’
    • ‘He also was the son of a high muck-a-muck in the Nixon administration so he could have had info to pass on before he got his job in the White House.’
    • ‘I'm lunching with Josh Jones, one of the high muck-a-mucks of Dreamhost, the company that hosts this website on its massive servers.’
    celebrity, famous person, very important person, personality, name, big name, famous name, household name, star, superstar, celebutante, leading light, mogul, giant, great, master, king, guru


Mid 19th century perhaps from Chinook hiyu ‘plenty’ + muckamuck ‘food’, from Nootka ḥayo ‘ten’ + ma˙ho˙maq- ‘choice wheatmeal’, with high substituted for hiyu.