fat-ass vs tub of lard

fat-ass

noun
  • A rotund, overweight, or obese person. 

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

tub of lard

noun
  • A fat person. 

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