butterball vs gobbler

butterball

noun
  • A turkey. 

  • A round lump of a coagulated fat used in cooking such as butter, margarine, or a spread 

  • An overweight person. 

  • A small North American duck, the bufflehead, Bucephala albeola 

gobbler

noun
  • A turkey. 

  • A male turkey; a tom; a stag; a jake. 

  • One who eats food very quickly, without decorum. 

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