Definition of muckety-muck in English:

muckety-muck

(also muck-a-muck, mucky-muck)

noun

informal
  • A person of great importance or self-importance.

    ‘a big Hollywood muckety-muck’
    • ‘Baseball's muckety-mucks are thinking about raising the mound.’
    • ‘Somewhere along the line, these muckety-mucks taught people there's a whole bunch to understand.’
    • ‘The college sports muckety-mucks wanted something more ecumenical - a mascot who could rise above petty loyalties and root for basketball in the abstract.’
    • ‘That's more management muckety-mucks than you'll find at a General Motors board meeting.’
    • ‘The muckety-mucks are meeting tomorrow and they'll call me after that.’
    • ‘By the same token, we need the support of your fellow corporate muckety-mucks to ensure that we receive the support and respect that we need to do our jobs as effectively as possible.’
    • ‘I can't help but think that if some of these stories had been obtained by one of our mainstream media muckety-mucks, it would be treated as a much bigger deal.’
    • ‘Even the muckety-mucks in Detroit are starting to get the message.’
    • ‘Got a lift most of the way home with one of the higher muckety-mucks at work, which was cool - he offered and I sure as hell wasn't dumb enough to turn it down.’
    • ‘A reader sends the following letter to the muckety-mucks at John Carroll University.’
    • ‘Nearly 50 percent of executives expect to take fewer vacations in 2003, so it's coming at the rank and file as well as the muckety-mucks.’
    • ‘I mean, he came over for dinner every once in awhile, and evidently he was a muckety-muck, because mom would always go, ‘Sit up straight, dear, and eat slowly, and don't give short answers, and-' that sort of thing.’
    • ‘It includes the handy address of one of the muckety-mucks in the Church who actually can influence episcopal appointments.’

Origin

Mid 19th century: from Chinook Jargon, shortening of high muck-a-muck.

Pronunciation:

muckety-muck

/ˌməkədēˈmək/