blackguardly

Mencken dismissed him as a “backwoods demagogue of the oldest and most familiar model — impudent, blackguardly, and infinitely prehensile.”

The reply was worthy of that wounding and blackguardly wit for which Jerrold was so notorious; a form of ill-natured satire that seems never to have brought him the sound thrashing he so richly deserved.

Oh! that drunken, blackguardly wretch of a fellow!”

Give me a cheerful, blackguardly place like the Charing Cross, where we were in London.

"I'll pay that blackguardly little cur for this,—you'll see if I don't!" shrieked Briggs at his captors, and they all knew that even as he could dissemble, that fellow could hate.