big hitter vs nothingburger

big hitter

noun
  • A powerful and influential person. 

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 hitter and nothingburger occurred in a corpus of books? (source: Google Ngram Viewer )