foul–mouthed

foul–mouthed /ˈfaʊlˌmaʊθt/ adjective
foul–mouthed
/ˈfaʊlˌmaʊθt/
adjective
Britannica Dictionary definition of FOUL–MOUTHED
[more foul–mouthed; most foul–mouthed]
: using indecent or offensive language : having a foul mouth