beat one's meat vs faff

beat one's meat

verb
  • To waste time; to engage in an unproductive activity. 

  • To masturbate by stroking or rubbing one's penis. 

faff

verb
  • To waste time on an unproductive activity. 

noun
  • A state of confused or frantic activity. 

  • An overcomplicated task, especially one perceived as a waste of time. 

How often have the words beat one's meat and faff occurred in a corpus of books? (source: Google Ngram Viewer )