lay figure vs palooka

lay figure

noun
  • An unimportant person; a character (especially in fiction) lacking individuality. 

  • A jointed model of the human body used by artists, or to display clothes. 

palooka

noun
  • Someone incompetent or untalented. 

  • A stupid, oafish or clumsy person. 

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