blabbermouth

blabbermouth

1. verb To share information that is supposed to be kept private or secret. Quit blabbermouthing everything I tell you to the whole family!
2. noun One who is prone to talking a lot and sharing such private information. I can't tell my little brother anything because he's such a blabbermouth.
Farlex Dictionary of Idioms.

blabbermouth

1. n. someone who talks too much and tells secrets. You are such a blabbermouth!
2. tv. to tell secrets in public. Don’t blabbermouth this to everybody.
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
See also:
  • cross over
  • face off
  • face-off
  • answer to
  • bag it
  • bag someone
  • bagged
  • bagging
  • going to
  • break out
References in periodicals archive
(6) People angry about BlabberMouth's business tactics soon discovered that Creed had once been arrested for drunk driving and that several of his relatives also had arrest records; they began posting mugshots and information about those arrests on the Interact.
The mugshot industry: freedom of speech, rights of publicity, and the controversy sparked by an unusual new type of business
dollars because of the blabbermouth member of Wascana."
Buzzwords
This loudmouth was matched by the perennial blabbermouth Barbara Bush, who said the poor had risen a notch in the social scale by being moved from a New Orleans slum to the Astrodome.
Blame game reveals Americans' delusions of power
The all-star cast includes Meryl Streep as legendary blabbermouth Martha Mitchell, Scissors star Annette Bening as reporter Helen Thomas, Gwyneth Paltrow as Maureen Dean, and Jill Clayburgh as frosty first lady Pat Nixon.
Meryl plays Martha the mouth
EASTENDERS murderer Chrissie Watts shows she's close to cracking up as she puts the squeeze on Albert Square blabbermouth Sam Mitchell.
You Want Sam? PICTURE EXCLUSIVE GRIPPING STUFF AS CHRISSIE LOSES IT
But even a blabbermouth like Ralph would be speechless when confronted with the home furnishings choices that consumers have to deal with these days.
HOMECOMING
"I'll be talking about everything just being my blabbermouth self."
'Nervous' Aisling back on TV3 after XPOSE axe
The Sun is about to link up with Mercury in your twelfth house, and although you are certainly not known as a blabbermouth, you could trigger a few ripples or tremors completely without warning today.
stars
Foghorn Leghorn: 'There's nothin' worse than a blabbermouth cat!'
If your honors please
It's blabbermouth Donna who spills the beans, the woman who spends so much time gossiping it's a wonder she ever shifts any leggings on that stall of hers.
Daylight robbery
Although he was capable of consuming huge amounts of alcohol he was no blabbermouth and kept his secrets, however tight.
SMILING TRAITOR STILL 'ONE OF US'
Blabbermouth is a one–day event to be staged the day before Scotland approaches the referendum on independence and is a moment to celebrate Scotland's contribution to the world through its written word.
James Plays are fit for a king. Or three; THEATRE 9
Worst than all of those though is the Blabbermouth. You know the sort - they''''ve been the picture of discretion all year, hiding their simmering discontent at not getting that payrise or failing in that promotion behind a facade of normality.
Spence MacDonald
Not Blabbermouth," before admitting she'd gladly do time for strangling anyone who did.
Burrell of laughs
"They didn't give me the last three or four pages, because they knew I'm a blabbermouth and I would tell everybody..."
Tennant's time up as the Doctor; TVChoice