muck·a·muck I. \ˈməkəˌmək\verb Etymology: Chinook jargon Northwest: eat II. noun Etymology: Chinook jargon Northwest: food III. noun alsomuck·ety-muck\ˈməkəd.ēˌmək\ Etymology: short for high-muck-a-muck, high-muckety-muck : an individual of great importance or consequence : big shot