Thing vs shitbox

Thing

noun
  • Nickname or appellative for numerous "things", including fictional characters. 

  • A public assembly or judicial council in a Germanic country. 

  • Nickname for the Volkswagen 181. 

shitbox

noun
  • A contemptible person. 

  • A dump; a run-down, messy or disgusting item. 

  • An old and decrepit automobile. 

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