chucklehead vs lollygagger

chucklehead

noun
  • A stupid or clumsy person. 

  • A coastal rockfish of California, Sebastes chlorostictus. 

lollygagger

noun
  • A lazy person, one who lollygags; a slacker, ne'er-do-well. 

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