I once knew a chawbacon who came to town and was barked at by a street-dog.    From Wordnik.com.  [Without Prejudice] Reference

“The Captain has a hearty contempt for his father, I can see, and calls him an old put, an old snob, an old chawbacon, and numberless other pretty names.    From Wordnik.com.  [XI. Arcadian Simplicity] Reference

"That it is so, take," said he, "any young boy of the present time, who hath only studied two years: if he have not a better judgment, a better discourse, and that exprest in better terms, than your son, with a completer carriage and civility to all manner of persons, account me forever a chawbacon of La Brène.".    From Wordnik.com.  [The Best of the World's Classics, Restricted to Prose, Vol. VII (of X)—Continental Europe I] Reference

'I contend for it that all our civilisation is higher, and that class for class we are in a more advanced culture than the English; that your chawbacon is not as intelligent a being as our bogtrotter; that your petty shopkeeper is inferior to ours; that throughout our middle classes there is not only a higher morality but a higher refinement than with you.'.    From Wordnik.com.  [Lord Kilgobbin] Reference

“Hi there, chawbacon!”.    From Wordnik.com.  [Through Russia] Reference

Your chawbacon isn't as cute a fellow as Pat. '.    From Wordnik.com.  [Lord Kilgobbin] Reference

Countrybred chawbacon.    From Wordnik.com.  [Ulysses] Reference

"Hi there, chawbacon!".    From Wordnik.com.  [Through Russia] Reference