Meaning of rough-mouthed in English:
rough-mouthed
adjective
Of a person: that speaks roughly or crudely.
Pronunciation
rough-mouthed
/ˌrʌfˈmaʊðd/ /ˌrʌfˈmaʊθt/ Origin
Mid 17th century; earliest use found in Thomas Jordan (c1614–1685), actor, poet, and playwright. From rough + mouthed.