blurt out

Related to blurt out: spread out, fluctuates

blurt out

To say something unexpectedly, often at an inopportune time or with the wrong audience (as of a private or secret matter). A noun or pronoun can be used between "blurt" and "out." I can't believe you blurted out the plans for her surprise party right to her face! Don't tell your little brother anything you want to keep secret, because he'll definitely blurt it out.
See also: out
Farlex Dictionary of Idioms.

blurt something out (at someone)

to say something to someone without thinking. (Usually to say something that should not be said.) It was a secret. Why did you blurt it out? Why did you blurt out our hiding place?
See also: out
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.

blurt out

Say abruptly or inadvertently, utter without thinking. For example, Unfortunately he blurted out how much he hated formal dinners just as his hostess walked in . [Late 1500s]
See also: out
The American Heritage® Dictionary of Idioms by Christine Ammer.
See also:
  • arrange for
  • arrange for some time
  • arrange some music for
  • buy (yourself) time
  • buy time
  • involve with
  • involve with (someone or something)
  • involved with
  • add in
  • angling
References in periodicals archive
For the second morning running, TV viewers heard a personality blurt out the name "John Leslie".
Something smells in all of this; Another `slip of the tongue' on live TV connects John Leslie with Ulrika's rape claim but was celebrity image guru Max Clifford starting a PR fightback?
In Blurt, The Webster's Game of Word Racing, one player reads a definition out loud while all the other players race to be the first to blurt out the correct answer.
Blurt! The Webster's Game of Word Racing: $25.00. (Product Potpourri)
That way, you can think more clearly and won't blurt out stuff you'll regret.
Tell it don't yell it: How to get what you want the smooth takin' way
And if you're faced with the need to challenge your friend on the facts, don't blurt out, "You're wrong." Instead, say something like, "Have you considered this information from our point of view?" Or, "I understand what you're saying, but your (lawyer, accountant, sales manager) may have misinformed you about these facts."
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Stunned Frode, aged 30, managed to blurt out a "yes" just before the time ran out.
Love in store for stunned shopper
You definitely don't want to blurt out a number that's too high, because that might knock you out of the running.
Let's make a deal
By exaggeration and eclipse, he made letters lose their memory of themselves and blurt out of the canvas as new forms.
Al Held
Nearly 45 per cent said they blurt out secrets just to get it off their chests and then most of them feel guilty.
It's official: Women can't keep secrets for more than 47 hours!