muck-a-muck (n.)youdaoicibaDictYouDict[muck-a-muck 词源字典]
"(self-)important person," 1912, from Chinook jargon, literally "to eat; food." Also mucky-muck; muckety-muck.[muck-a-muck etymology, muck-a-muck origin, 英语词源]