shoot your mouth off
US /ʃuːt jʊər maʊθ ɔːf/
UK /ʃuːt jʊər maʊθ ɔːf/
1.
sparare a zero, parlare a vanvera
to talk too much, especially in a boastful or indiscreet way
:
•
He tends to shoot his mouth off after a few drinks.
Tende a sparare a zero dopo qualche drink.
•
Don't shoot your mouth off about the surprise party.
Non sparare a zero sulla festa a sorpresa.