potty mouth

and toilet mouth

n. someone who uses obscene or profane language in most social settings. (Also a term of address.) That potty mouth is offending people again. Hey, toilet mouth! Watch your language!

Common Names:

Name	Pronounced	Usage
Mannix	-	Irish
Makariy	-	Russian (Archaic)
Mafalda	mah-FAHL-dah (Italian), mə-FAL-də (Portuguese)	Italian, Portuguese
Deshaun	-	African American
Wibo	-	Frisian, Dutch
Reg	REJ	English