couch potato vs waster

couch potato

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

waster

noun
  • Someone or something that wastes; someone who squanders or spends extravagantly. 

  • A destroyer. 

  • An item that is spoiled during its manufacture. 

  • An imperfection in the wick of a candle, causing it to waste. 

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