Adjective
1. bastardly
2. misbegot, misbegotten, spurious, illegitimate, bogus
Noun
1. fake, phony, phoney, counterfeit, imitative, asshole
2. cocksucker, dickhead, shit, mother fucker, motherfucker, prick, whoreson, son of a bitch, SOB, unpleasant person, disagreeable person, by-blow
3. love child, illegitimate child, illegitimate, whoreson, offspring, progeny, issue, mongrel
3. variation