open (one's) mouth

(redirected from opened her mouth)

open (one's) mouth

To say something, especially that which is indiscreet, boorish, or meant to be a secret. Why did you have to open your mouth about my crush on Tommy? Why couldn't you just keep it between us? You've got to make sure that he never opens his mouth about what went on here today.
See also: mouth, open
References in classic literature ?
Then she aroused him from sleep and opened her mouth and said:
The Britain's Got Talent judge said he didn't have high hopes for Boyle before she opened her mouth.
He then forcibly opened her mouth, took out his dental instruments and removed the work worth pounds 320.
Maggie is constantly prowling for boyfriends and might succeed if she never opened her mouth.
The infant's father noticed what he described as a mass whenever the girl opened her mouth to cry.
But when Yolanda opened her mouth to begin, she cannot speak.
The tension mounted until she opened her mouth wide and reached her arms out, her hands fluttering crazily.
The singer was out on the town at the Hilton in London and simply opened her mouth to reveal a gaping hole.
Miss Perkins craned her neck and opened her mouth to talk.
The fat lady may be getting ready to sing, but she has not opened her mouth yet.