fat-ass vs slummock

fat-ass

noun
  • A rotund, overweight, or obese person. 

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

slummock

noun
  • A slovenly person 

verb
  • To behave awkwardly or clumsily 

  • To behave lazily or indolently 

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