layer cake vs snack

layer cake

noun
  • A cake consisting of multiple stacked sheets of cake, held together by frosting or jam, etc. 

  • A type of layering of materials, used in some nuclear bombs. 

snack

noun
  • An item of food eaten between meals. 

  • A light meal. 

  • A very sexy and attractive person. 

verb
  • To eat a light meal. 

  • To eat between meals. 

How often have the words layer cake and snack occurred in a corpus of books? (source: Google Ngram Viewer )