dipshit vs lame duck

dipshit

noun
  • A stupid or undesirable person. 

  • Something unwanted or undesirable. 

lame duck

noun
  • A person or thing that is helpless, inefficient, or disabled. 

  • An elected official who has lost the recent election or is not eligible for reelection and is marking time until leaving office. 

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