potty-mouthed
adjective/ˌpɒti ˈmaʊðd/
/ˌpɑːti ˈmaʊðd/
(especially North American English, informal)- using rude, offensive language synonym foul-mouthed
- a potty-mouthed comedian
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potty-mouthed
Definition of potty-mouthed adjective from the Oxford Advanced Learner's Dictionary