fat-ass vs fatty

fat-ass

noun
  • A rotund, overweight, or obese person. 

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

fatty

noun
  • An obese person. 

  • A large marijuana cigar; a blunt. 

adj
  • Like fat; greasy. 

  • Literally or figuratively large. 

  • Containing, composed of, or consisting of fat. 

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