butter face vs munchkin

butter face

noun
  • Used other than figuratively or idiomatically: see butter, face. 

munchkin

noun
  • Synonym of donut hole (“ball-shaped pastry”) (genericization of the Dunkin trademark "Munchkin") 

  • A person of very short stature. 

  • A player who mainly concentrates on increasing their character's power and capabilities. 

  • A child. 

How often have the words butter face and munchkin occurred in a corpus of books? (source: Google Ngram Viewer )