going to tell

going to tell

Ready to inform an authority figure of one's bad behavior. Aw man, she's going to tell Mom what we did.
See also: going, tell
Farlex Dictionary of Idioms.

going to tell

 and going to tattle
a threat that one is going to report someone's misdeed to someone in authority. If you do that again, I'm going to tell! Sue just went to the teacher. She's going to tattle.
See also: going, tell
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.
See also:
  • going to tattle
  • be going cheap
  • hard going
  • be going begging
  • Everything’s going to be okay
  • everything's going to be OK
  • break the news to (one)
  • got
  • break the news
  • go well with (someone or something)
References in classic literature
"You ought to be ashamed of yourself, Tom Sawyer; you know you're going to tell on me, and oh, what shall I do, what shall I do!
Well, of course I ain't going to tell old Dobbins on this little fool, because there's other ways of getting even on her, that ain't so mean; but what of it?
And now, Miss Grey, attend to me; I'm going to tell you about the ball.
I was going to tell you how many unmistakeable admirers I had:- Sir Thomas Ashby was one,--Sir Hugh Meltham and Sir Broadley Wilson are old codgers, only fit companions for papa and mamma.
"What I know," she said, "or at least most of it, I am going to tell you.
"However, I have brought you out with me expecting to hear something, and I am going to tell you this.
"I am going to tell you now," she continued, leaning a little towards him, "the real reason why I fetched you out of the club this afternoon and have brought you for this little expedition.
"Pollyanna, dear, I'm going to tell you--the very first one of all.
"I was going to tell you all sorts of nice things," she said.
Before I dozed off, I was going to tell you what Mr.
When the first old man had finished his story, the second, who was leading the two black dogs, said to the genius, "I am going to tell you what happened to me, and I am sure that you will find my story even more astonishing than the one to which you have just been listening.
In this book I am going to tell you about a few of our greatest story-tellers and their books.
A third tweeted: "How many times is Amy going to tell Kerry she wants nothing more to do with her?"
"I am not going to tell anyone that you won't be there because he is a young man.
It's better they stay where they should stay, but I'm not going to tell them, 'Don't do that'.