lardo vs spare tire

lardo

noun
  • An overweight person. 

  • A type of salumi made by curing strips of fatback with rosemary and other herbs and spices. 

spare tire

noun
  • Excess weight or fat accumulated near the waist. 

  • An extra wheel carried as a replacement in case of a flat. 

  • Used other than figuratively or idiomatically: see spare, tire. 

How often have the words lardo and spare tire occurred in a corpus of books? (source: Google Ngram Viewer )