mouth of a sailor

Noun

informal

(informal) The characteristic of regularly using vulgar language, especially strong profanities; a person having this characteristic.

Japanese Meaning

乱暴な言葉遣いをする人、口が悪い人

When he gets angry, he speaks with the mouth of a sailor, and the people around him blush.

彼は怒ると下品な言葉を口にし、周囲の人たちは赤面する。

Sense（1）

(informal) The characteristic of regularly using vulgar language, especially strong profanities; a person having this characteristic.

mouths of sailors

（ plural ）