fun size vs prong

fun size

noun

  • A small size. 

adj

  • Small in size. 

prong

noun

  • A thin, pointed, projecting part, as of an antler or a fork or similar tool. A tine. 

  • The penis. 

  • A branch; a fork. 

verb

  • To pierce or poke with, or as if with, a prong. 

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