coprolaliaPronunciation: /ˌkɒprə(ʊ)ˈleɪlɪə/Definition of coprolalia noun [mass noun] Psychiatry the involuntary and repetitive use of obscene language, as a symptom of mental illness or organic brain disease. Origin: late 19th century: from Greek kopros 'dung' + lalia 'speech, chatter'coprolalia in other Oxford dictionaries Definition of coprolalia in the US English dictionary
