couch potato vs slob

couch potato

noun
  • A person who spends a lot of time sitting or lying down, often watching television, eating snacks or drinking alcohol. 

slob

noun
  • A lazy and slovenly or obese person. 

verb
  • To act like a slob, in a lazy or slovenly way. 

  • To slop or spatter. 

  • To move slowly or cumbersomely. 

  • To drool or slobber; to talk while slobbering. 

  • To perform fellatio. 

How often have the words couch potato and slob occurred in a corpus of books? (source: Google Ngram Viewer )