fun size vs half-pint

fun size

noun
  • A small size. 

adj
  • Small in size. 

half-pint

noun
  • A small or short person. 

  • A unit of volume used for liquids equal to half of a pint. 

  • A small child. 

  • Half a pint of beer or other drink. 

How often have the words fun size and half-pint occurred in a corpus of books? (source: Google Ngram Viewer )