loiter-sack vs morepork

loiter-sack

morepork

noun
  • A foolish person; also, a person who is wearisome. 

  • The Tasmanian spotted owl (Ninox novaeseelandiae), a small brown owl indigenous to New Zealand and Tasmania. 

  • A person who is lazy or slow; a slowcoach, a slowpoke. 

intj
  • The call of a morepork. 

How often have the words loiter-sack and morepork occurred in a corpus of books? (source: Google Ngram Viewer )