open (one's) mouth

(redirected from open mouth)
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Related to open mouth: bad 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

open your (big) ˈmouth

(informal) say something when you should not: Why do you always have to open your big mouth? Can’t you just keep quiet sometimes?
See also: mouth, open
References in periodicals archive ?
You may be able to imagine that it looks like an open mouth.
You will have to learn the words to ward off cold// and know them cold, child, in your open mouth.
Fun for all museum visitors is the tooth jukebox (pictured on front cover), a video center shaped like a large open mouth.
Virgin Atlantic has reportedly cancelled plans for urinals shaped like a woman's open mouth.
TRY THIS: When kissing with an open mouth (slightly open, not a giant "O" shape), gently breathe in as if you're taking the air from your boy's mouth.
WITH her open mouth and useless comments, twIt girl Tania is again the Dope of the Day.
Asked to pose for a photo with Ozzy, she leaned over and gave him a big kiss, then wiped her peach lip gloss off his open mouth.
Its major product lines, include weighing systems, open mouth bagging systems, valve bag systems and palletizing systems.
Next, she added a person at the top of each building, one crying, the other with an open mouth and wide eyes .
for example, Barrax brings forth a host of emotions while recording an act of violence: No one can explain what I've seen, a slim black woman lying on her back, red geyser pumping from her open mouth, she stares into the ceiling's yellow eye.
CHRONO-FILL [TM] CompactLine is a new bagging line, which has been designed to handle open mouth bags with a filling weight of 2kg to 15kg.
Bell also doubles as an incense burner with smoke issuing from the dragon's open mouth.
If you've ever looked longingly at a Rick poster, starred open mouth during one of his concerts, or wondered if anyone else "got" why you still giggle when "Jessie's Girl" comes on the radio, you'll be right at home with this book at Lulu.
NO GOOD idea ever entered the head through an open mouth.
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