open (one's) mouth

(redirected from opened his 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 ?
Little Toto, now that he had an enemy to face, ran barking toward the Lion, and the great beast had opened his mouth to bite the dog, when Dorothy, fearing Toto would be killed, and heedless of danger, rushed forward and slapped the Lion upon his nose as hard as she could, while she cried out:
And Anchises was seized with love, so that he opened his mouth and said:
Here Sloppy threw his head back, opened his mouth wide, and laughed rapturously.
He opened his mouth, but the black cloud sailed past and not as much as a drop of dew moistened his dry lips.
But Joe wouldn't hear of that, at all, and again opened his mouth very wide, and shook the form of a most emphatic word out of it.
Porthos opened his mouth, thinking it a good opportunity to put in a word in his turn; D'Artagnan checked him by a glance from the corner of his eye.
Richard Twining bubbled over with quaint absurdities, and George Road, conscious that he need not exhibit a brilliancy which was almost a by-word, opened his mouth only to put food into it.
Old Augustus, blinking good-naturedly, opened his mouth and in popped Wallace's head.
He never opened his mouth to his timid conqueror concerning the past; but he admitted him very near to his person in his labors, took him with him to several reconnoiterings, in such a way as to obtain that which he evidently warmly desired, -- a rehabilitation in the mind of D'Artagnan.
She watched Nutty with a cold and uninterested eye as he opened his mouth feebly, shut it again and reopened it; and then when it became apparent that these manoeuvres were about to result in speech, she left him and walked quickly down the drive again.
He opened his mouth now a great many times and shook his head in a melancholy manner.
They are dancing the war-dance at Bekwando, and the King has been shut up for three days with the priest and never opened his mouth.
MacDonald grinned and nodded, and opened his mouth to speak, when the front door swung wide and a man appeared in the light.
The other men were Blank, the Editor aforementioned, a certain journalist, and another--a quiet, shy man with a beard--whom I didn't know, and who, as far as my observation went, never opened his mouth all the evening.
And, in fact, from that day until the arrival at Zanzibar, Dick never opened his mouth.