Meaning ofmuckety muckin English

Noun

1. a self-important person in a position of power; having authority (and prestige)
   The company's CEO was a real muckety-muck, making decisions without consulting anyone.
   Synonyms:

   bigwigbig cheesehigh muckamuckpooh-bahfat catbig shotVIPmagnate
   Antonyms:

   subordinateunderlingnovicetraineeapprentice