cowplop vs poopy

cowplop

noun
  • cow excrement 

poopy

noun
  • excrement. 

adj
  • Depressed, weak, or worthless. 

  • Dirty with feces. 

  • Resembling or characteristic of feces. 

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