GOAT vs bifta

GOAT

noun
  • A member of the "government of all the talents" proposed by British prime minister Gordon Brown. 

bifta

noun
  • Everything that is available or possible; the works. 

  • A cannabis cigarette. 

  • A cigarette. 

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