whoreson n the illegitimate offspring of unmarried parents n insulting terms of address for people who are stupid or irritating or ridiculous Usage(s) He jocularly informs Buckley that his son John is a "great eater of your whoreson flapjacks. Synonym(s) bastard by-blow love child illegitimate child illegitimate asshole cocksucker dickhead shit mother fucker motherfucker prick son of a bitch SOB