piff vs twonk

piff

noun
  • Piffle; nonsense; rubbish. 

verb
  • To throw something vigorously. 

intj
  • An exclamation of annoyance or contempt; pish; pshaw. 

adj
  • good or attractive. 

twonk

noun
  • Nonsense; rubbish. 

  • A stupid person. 

verb
  • To hit or slap. 

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