open (one's) big mouth

(redirected from open our big mouth)
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open (one's) big mouth

To say something that is meant to be a secret; to say something in an indiscreet, noisy, or boorish manner. Why did you have to open your big mouth about my crush on Tommy? Why couldn't you just keep it between us? We would have gotten away with the plan if she hadn't opened her big mouth!
See also: big, mouth, open
References in periodicals archive ?
Is it because, as a race, we lack the capacity to do our sums (and that correctly!) before deciding to open our big mouths? Or, do we lack the inherent gumption to see beyond our respective noses?
Pierre Bourdieu: You have spoken somewhere of "the European or German tradition"--which is also, by the way, a French tradition--of "opening your big mouth." I am delighted that you received the Nobel Prize, and I am also delighted that you haven't been transformed by receiving the Nobel, that you are as inclined as you ever were to "open your big mouth." I am hoping that we can open our big mouths together.
And that is why, I believe, we must "open our big mouths" and try to restore our utopia; because one of the defining qualities of these neoliberal governments is that they do away with utopias.
We are both now at an age where we can, I agree, be sure to continue to open our big mouths, for as long as we retain our health; but our time is limited.
The great thing about the FA Cup is that anything can and usually does happen, which is why those of us who open our big mouths often find ourselves keeping them open for the inevitable humble pie that follows.