nuffy vs twonk

nuffy

noun
  • A person who is stupid. 

  • Someone who an obsessive fan of a sport, particularly of cricket. 

  • A person with a disability, particularly intellectual. 

twonk

noun
  • A stupid person. 

  • Nonsense; rubbish. 

verb
  • To hit or slap. 

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