shoot off at the mouth

Verb

idiomatic informal

Japanese Meaning

（無遠慮に）口を走らせる、余計なことを言う / （自慢や大言壮語して）話し過ぎる / （秘密とされるべき情報を）不用意に漏らす

He tends to shoot off at the mouth during meetings, so I always expect him to exaggerate his achievements.

彼は会議中によく自慢するので、いつも自分の業績を誇張するだろうと予想しています。

Sense（1）

(informal, idiomatic) To boast, or brag, or talk too much.

Don't let [presidential press secretary Ron] Ziegler shoot off at the mouth without our knowledge.

Sense（2）

(informal, idiomatic) To disclose some information that was supposed to be secret.

shoots off at the mouth

（ present singular third-person ）

shooting off at the mouth

（ participle present ）

shot off at the mouth

（ participle past ）

shot off at the mouth

（ past ）