muck-a-muck

Noun

muckamuck (countable and uncountable, plural muckamucks)

1. (colloquial, countable, derogatory, sometimes) A person in a position of power or authority, or of high status.
   • I think it was the Fourth of July when they took the chair from under my ass again. Not a word of warning. One of the big muck-a-mucks from the other side of the water had decided to make economies; […]1934, Henry Miller, Tropic of Cancer, Grove Press, published 1961, page 191

   Synonyms:

   baron, big cheese, big enchilada, big gun, big kahuna, big man, big name, big noise, big shot, bigwig

2. (US, dated, dialectal, possibly, uncountable) Food.
   • She apparently has her own way in everything now, the old chief being quite satisfied to get his rations of muckamuck and tobacco without troubling himself as to how it is provided.1884, Newton H. Chittenden, Official report of the exploration of the Queen Charlotte Islands, page 69