[1] : The Collaborative International Dictionary of English v.0.48

whoreson \whore"son\, n.
   a bastard; colloquially, a low, scurvy fellow; -- used
   generally in contempt, or in coarse humor. also used
   adjectively. archaic --shak.
   1913 webster

[2] : WordNet (r) 2.0

whoreson
     n 1: the illegitimate offspring of unmarried parents syn: bastard,
           by-blow, love child, illegitimate child, illegitimate
     2: insulting terms of address for people who are stupid or
        irritating or ridiculous syn: asshole, bastard, cocksucker,
         dickhead, shit, mother fucker, motherfucker, prick,
         son of a bitch, sob
see also:
bastard by-blow love child illegitimate child illegitimate asshole 
cocksucker dickhead shit mother fucker motherfucker 
prick son of a bitch sob 

Whoreson >> W Words
Whoreson, definition of term: Whoreson
whoreson_pag1.html