fat as a pig vs porky

fat as a pig

phrase

  • Exceptionally fat or obese. 

porky

noun

  • An eye. 

  • A porcupine. 

  • A lie. 

adj

  • Resembling or characteristic of pork. 

  • Rather fat; chubby. 

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