coprolalia
/kɒprəˈleɪliə/Definitions
1. noun
a compulsive or involuntary utterance of obscene or socially unacceptable words or sounds, often associated with Tourette’s syndrome
“The patient’s coprolalia was embarrassing and difficult to manage in public.”
2. noun
the act of using obscene or socially unacceptable words or sounds, especially in a compulsive or involuntary manner