high mucky-muck

high mucky-muck

slang An especially important, influential, and authoritative person, especially someone who is overbearingly or arrogantly so. We're just waiting for the high mucky-muck to give us the green light before we get the project started. "All hail the high mucky-muck," Jerry muttered under his breath as the dictator's motorcade rolled by.
See also: high
Farlex Dictionary of Idioms.

high mucky-muck

(...ˈməkimək)
n. an important person; the person in charge. When the high mucky-mucks meet, they will decide what to do about the problem.
See also: high
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
See also:
  • high muckety muck
  • muckety
  • high muckamuck
  • high muck-a-muck
  • muckamuck
  • muckety muck
  • odds and ends
  • old enough to be (one's) mother
  • old enough to be mother
  • jockstrapper
References in periodicals archive
But if you are a PPFA high mucky-muck, more current numbers are far more unnerving.
PPFA's popularity continues to drop dramatically: favorable opinion exceeds unfavorable opinion by only 5 points
"The marketing lesson," Koch believes "is that Hawaii always prefers humble to high mucky-muck. And Hawaii loves storytelling."
Put yourself in your customers' slippers
She said, "it's just the high mucky-mucks' way of making more money.
Recovering from colon cancer: two years after refusing chemo and radiation
So Podunk continues to get no respect from the high mucky-mucks who profess to establish such things.
How Bill Moiles proved that Podunk actually exists