shoot one's mouth off

• Expression informelle signifiant parler trop, souvent de manière vantarde, imprudente ou indiscrète, en révélant des informations qu'il aurait mieux valu garder secrètes ou en faisant des déclarations exagérées.

An informal expression meaning to talk too much, often in a boastful, careless, or indiscreet manner, revealing information that should be kept private or making exaggerated claims.

1. Boast or bragB2informal

   To talk too much or too loudly, often in a boastful or indiscreet way.

   se vanter

   • He's always shooting his mouth off about his achievements.
   • She shot her mouth off about the promotion before it was official.
   • Stop shooting your mouth off and listen for a change.

2. Reveal secretsB2informal

   To reveal information that should be kept secret or private.

   vendre la mèche

   • He shot his mouth off about the surprise party.
   • She shot her mouth off about the company's financial troubles.
   • Don't shoot your mouth off about our plans.