run off at the mouth
US /rʌn ɔf æt ðə maʊθ/
UK /rʌn ɔf æt ðə maʊθ/
1.
falar demais, falar pelos cotovelos, dar com a língua nos dentes
to talk too much, especially in a boastful or indiscreet way
:
•
He tends to run off at the mouth when he's had a few drinks.
Ele tende a falar demais quando bebeu alguns drinques.
•
Don't tell him your secrets; he'll just run off at the mouth to everyone.
Não conte seus segredos a ele; ele vai sair falando para todo mundo.