douche boat vs douchewad

douche boat

noun
  • A rude, obnoxious, or contemptible person. 

  • A river craft outfitted with a high-pressure water cannon capable of destroying enemy encampments. 

douchewad

noun
  • A rude, obnoxious, or annoying person. 

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