small beer vs somebody

small beer

noun
  • Beer with a low alcoholic content, usually between 0.5% and 2.8%. 

  • Something that is of relatively little importance. 

  • Used other than figuratively or idiomatically: see small, beer. 

somebody

noun
  • A recognised or important person, a celebrity. 

pron
  • Some unspecified person. 

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