good-for-nothing vs not worth a Continental

good-for-nothing

adj
  • Useless; worthless. 

noun
  • A person of little worth or usefulness. 

not worth a Continental

adj
  • worthless, lacking in value, especially due to economic inflation. 

How often have the words good-for-nothing and not worth a Continental occurred in a corpus of books? (source: Google Ngram Viewer )