big cheese vs nothingburger

big cheese

noun
  • A very important figure, especially a high-ranking person in an organization. 

nothingburger

adj
  • bland or unremarkable in appearance 

  • disreputable, as of a person 

noun
  • Something of less importance than its treatment suggests. 

  • A person who is a nonentity. 

  • A person or object that is bland or unremarkable in appearance or impact. 

How often have the words big cheese and nothingburger occurred in a corpus of books? (source: Google Ngram Viewer )