mayonnaise face vs pakeha

mayonnaise face

noun
  • A person of northern, western, or central European heritage, especially in contrast to someone of southern Italian or Sicilian heritage. 

pakeha

noun
  • A non-Maori, especially a European New Zealander. 

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