lame duck vs schlub

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. 

schlub

noun
  • A person who is clumsy, oafish, or socially awkward, or unattractive or unkempt. 

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