nothingburger vs quidam

nothingburger

noun

  • A person who is a nonentity. 

  • Something of less importance than its treatment suggests. 

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

adj

  • bland or unremarkable in appearance 

  • disreputable, as of a person 

quidam

noun

  • A nobody; a person of no importance. 

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