blabbermouth

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Related to blabbermouths: blab

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.

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.
References in periodicals archive ?
Where are the human rights blabbermouths? Why are they not storming the massive gates of the Supreme Court, which seems not to give a hoot about how pathetically slow justice is in this country?
Fergie called Premier League officials, led by chief executive Richard Scudamore (right), "blabbermouths" for announcing the plan before undertaking a full consultation with managers and players from the 20 Premier League clubs.
But the best thing he can do for her is shut up - and not come on to blabbermouths like Barrymore.
They have to go into the FBI WitnessProtection Programme but unfortunately, not even the FBI can save them from their own blabbermouths.
Then the little blabbermouths might repeat later what they heard.
Fergie called Premier League officials, led by chief executive Richard Scudamore, "blabbermouths" for revealing the plan before undertaking a full consultation with managers and players.