anorexic vs fat as a pig

anorexic

adj

  • Thin, skinny, insubstantial. 

  • Pertaining to, or suffering from anorexia nervosa. 

noun

  • Somebody suffering from anorexia nervosa. 

  • A medicine which suppresses appetite. 

fat as a pig

phrase

  • Exceptionally fat or obese. 

How often have the words anorexic and fat as a pig occurred in a corpus of books? (source: Google Ngram Viewer )