Origin: 1855–60; < Chinook Jargon hayo makamak lit., plenty to eat, much food, perh. extended derisively to Indians of high status with much disposable wealth, as for potlatches; hayo < Nootka ḥayo ten (the base of various measures with suffixes for specific countable nouns); mak(a)mak eat, food < Nootka ma⋅ḥo⋅ma(q-) part of whale meat between blubber and flesh
n. an important person; the person in charge. : When the high mucky-mucks meet, they will decide what to do about the problem.
Dictionary of American Slang and Colloquial Expressions by Richard A. Spears.Fourth Edition. Copyright 2007. Published by McGraw Hill.
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