couch potato vs schlump

couch potato

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

schlump

noun
  • Someone who is lazy, slovenly, or dull-looking. 

verb
  • To move in a heavy, lazy or slovenly way. 

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