dingleberry vs poon

dingleberry

noun
  • Dried fecal matter adhering to anal hair. 

  • Vaccinium erythrocarpum, the southern mountain cranberry. 

  • A stupid or foolish person. 

poon

noun
  • Poontang, the vagina, or, intercourse with a woman. 

  • A wimp; a pussy. 

  • Any of several East Indian trees of the genus Calophyllum, yielding a light, hard wood used for masts, spars, etc. 

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