bigmouth

a big mouth

1. A tendency or habit of speaking incessantly and indiscreetly, especially about sensitive or secret information. If I'd known you had such a big mouth, I'd have never shared my secret with you! God you've got a big mouth! Don't you ever stop talking about other people's business?
2. A person who talks in such a manner. I can't stand Terry's new husband, he is such a big mouth!
See also: big, mouth

have a big mouth

To have a tendency or habit of speaking incessantly, indiscreetly, and/or in a noisy, boorish manner. I can't stand Terry's new husband, he has such a big mouth! It's like no one else gets a chance to speak when he's here. If I'd known you had such a big mouth, I'd have never shared my secret with you!
See also: big, have, mouth
Farlex Dictionary of Idioms.

have a big mouth

to be a gossiper; to be a person who tells secrets. Mary has a big mouth. She told Bob what I was getting him for his birthday. You shouldn't say things like that about people all the time. Everyone will say you have a big mouth.
See also: big, have, mouth
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.

have a big mouth

tv. to speak loudly and openly in public; to tell secrets. (Have got can replace have.) He has a big mouth. Don’t tell him anything you don’t want everybody else to know.
See also: big, have, mouth
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
See also:
  • big mouth
  • a big mouth
  • big mouth, have a
  • have a big mouth
  • have a loud mouth
  • be a loud mouth
  • loud
  • loudmouth
  • loud mouth
  • loose lips sink ships
References in periodicals archive
In 1990 and 1996, Jennifer Brown ordered photocopies of the folders containing transcripts of the stories that Gisayenaan, or Adam Bigmouth, shared with Hallowell from his papers, which are housed at the American Philosophical Society Archive.
Ojibwe Stories from the Upper Berens River: A. Irving Hallowell and Adam Bigmouth in Conversation
As well as a classic but delicious 6oz beef patty, it's also smothered in Yeastie Boys Bigmouth beer-infused cheese, then topped with bacon monster crunch, beef ketchup and smoked chilli mayo, all served in a beautifully soft, brioche bun.
GBK are giving away thousands of free burgers today all across the UK - here's how to get yours; It all kicks off at 12pm today
Morrissey, whose hits include Heaven Knows I'm Miserable Now and Bigmouth Strikes Again, revealed he had throat cancer in 2014.
Moz Me and my big mouth are back
Morrissey, 57, whose hits include Bigmouth Strikes Again, has done a deal with Peter Katsis, who worked with One Direction, the Backstreet Boys and Enrique Iglesias.
Bigmouth signs again; Surprise deal for Smiths star Morrissey; EXCLUSIVE
The Zambezi Lager Kyle Classic of 2016, hosted by Bigmouth Bass Chapter, kicked off on a very fresh morning on May 7th, 2016.
Zambezi lager Kyle bass classic 2016
BIGMOUTH Katie Hopkins says she felt like committing murder when her first husband walked out of their marriage.
The day TV Katie felt like killing
Expect hits like Bigmouth Strikes Again and the immortal There Is A Light That Never Goes Out and revel once more in the majesty of one of Britain's finest ever bands.
The Smiths are dead, long live The Smiths
Sadly, this desertion severely compromised the quality of care that females were able to provide to their young, particularly in defending their babies against formidable fish predators, such as the bigmouth sleeper fish.
Abandoned female fish raise offspring as single moms
How about Lord Hypocrite, Lord Twofaced, Lord Fisticuffs or Lord Bigmouth? Apparently it's all about making his wife a Lady.
VENT YOUR SPLEEN
Maybe, as phone-in host, he should change his ringtone to The Smiths' Bigmouth Strikes Again...?
Newbon sets right tone
"Cameron has struggled to articulate what his party stands for when the nation is desperate for certainty" - Steve Norris, ex-Tory MP and ex-candidate for London mayor "I do like art, and I really like the power station" - Bob Geldof on finding himself at a centenary reception for the Contemporary Art Society at Battersea power station bigmouth Who said what this week - straight out of the mouths of celebrities "I don't like my temper, but I know I have one.
bigmouth; Who said what this week - straight out of the mouths of celebrities
And just when you think you've heard it all, there's a surprise cover of The Smiths' Bigmouth Strikes Again.
AMONG OAK & ASH Among [...]; music
Florida natives--American eels and bigmouth sleepers--can migrate on land for short distances breathing through their mouth, skin and gills kept wet with trapped water.
Fish breath
Numbers include This Charming Man, How Soon is Now, Girlfriend in a Coma, Bigmouth Strikes Again and There is a Light That Never Goes Out.
Indeed it's The Smiths tribute
But for all Clough's bigmouth bravura, Spall says there was a kind man underneath "He visited people in hospital and if anyone needed dosh, he'd help them out."
Portrait of a football boss with that X Factor; Cinema