A bastard's bastard.
·adv In the manner of a bastard; spuriously. II. Bastardly ·adj Bastardlike; baseborn; spurious; co...
Webster's Dictionary of the English Language
a bastard's bastard. Lane. ...
A glossary of provincial and local words used in England by Francis Grose
A dirty nasty fellow. ...
Dictionary of The Vulgar Tongue by Francis Grose