chubster vs fat-ass

chubster

noun
  • An overweight person. 

  • A person with chubby cheeks. 

fat-ass

noun
  • A rotund, overweight, or obese person. 

  • A jibe used on someone disliked, frequently someone regarded as lazy. 

How often have the words chubster and fat-ass occurred in a corpus of books? (source: Google Ngram Viewer )