king of the hill vs muckety muck

king of the hill

noun
  • A person who has achieved a measure of success and is considered to be a leader in his field. 

  • A children's game in which one player stands on top of a hill or other location atop an incline, and attempts to repel other players whose goal is to capture his position. 

  • The player in this game who stands atop the hill. 

muckety muck

noun
  • A high muckamuck; a person (especially self-important) in a position of power, authority, or status. 

How often have the words king of the hill and muckety muck occurred in a corpus of books? (source: Google Ngram Viewer )