argot bad language billingsgate blue language cant colorful language cursing cussing dirty language dirty talk dysphemism evil speaking filth filthy language foul language gibberish gobbledygook jargon lingo mumbo jumbo obscenity patois patter phraseology profane swearing profanity ribaldry scatology slang strong language swearing taboo language unparliamentary language unrepeatable expressions vernacular vile language vocabulary