nounNorth American • informal
- A person of great importance or self-importance.More example sentences
- When his party's candidates for president and vice-president die suddenly, Mays is tapped by the party's mucky-mucks to run for president in 2004.
- Once the organisers and corporate mucky-mucks left the stage, the assembled audience of media dorks were treated to a surprisingly good preview of what is to come this September.
- In terms of finances, did you have a hard time convincing financial mucky-mucks to throw their weight behind the project?
mid 19th century: from Chinook Jargon, shortening of high muck-a-muck.