FOUL-MOUTHED
Meaning of FOUL-MOUTHED in English
ˌfoul-ˈmouthed BrE AmE adjective
swearing too much:
Harry was a nasty foul-mouthed old devil.
—ˈfoul mouth noun [countable]
Longman Dictionary of Contemporary English.
Longman - Словарь современного английского языка.
2012