doink vs pelf

doink

noun
  • A fool; a jerk; a worthless person. 

  • A joint (cannabis cigarette). 

verb
  • To bounce after a collision. 

  • To have sex with. 

pelf

noun
  • A contemptible or useless person. 

  • Dust; fluff. 

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