pottymouth

or pot·ty mouth or pot·ty-mouth

[ pot-ee-mouth ]

noun

, Slang.

1. a person who often uses obscene, filthy, or abusive language.
2. a habit of using such language:

   His pottymouth has gotten him into trouble.

pottymouth

/ ˈpɒtɪˌmaʊθ /

noun

1. informal.
   a person who habitually uses foul language

Word History and Origins

Origin of pottymouth¹

First recorded in 1965–70; potty ²( def ) + mouth ( def )