dingleberry vs shitneck

dingleberry

noun
  • A stupid or foolish person. 

  • Vaccinium erythrocarpum, the southern mountain cranberry. 

  • Dried fecal matter adhering to anal hair. 

shitneck

noun
  • An idiot; an objectionable person. 

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