noun (n)

• the illegitimate offspring of unmarried parents(noun.person)

  Synonym:
  bastard, by-blow, illegitimate, illegitimate child, love child
  

  source: wordnet30
• insulting terms of address for people who are stupid or irritating or ridiculous(noun.person)

  Synonym:
  asshole, bastard, cocksucker, dickhead, mother fucker, motherfucker, prick, shit, sob, son of a bitch
  

  source: wordnet30
• A bastard; colloquially, a low, scurvy fellow; -- used generally in contempt, or in coarse humor. Also used adjectively.(noun)

  source: webster1913