1 definition by J Cla

taken from Merriam-Webster Dictionary, evolved from Chinook Indians. They first used a form of muckety-muck meaning an arrogant, self-important person, "high-muck-a-muck."
Man, those frattastic muckety-mucks really harsh my mellow. Their parties are so bernie. I'm swayze.
by J Cla June 17, 2006