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that's it! | that does it!

INFORMAL
This page is about the conversational phrase that's it! | that does it!

Meaning

You can say this if something's been annoying you for a while, and you finally decide to do something about it.

For example

  • When Lizzie came home late again, her father said, "That's it! I'm not putting up with this any longer. You're grounded!"

  • The party next door was already noisy, but when they turned the music up even louder, Ian said, "That does it! I'm calling the police!"

Quick Quiz

If you say "That's it!" or "That does it!", you must be

a. sad about something

b. angry about something

c. excited about something

Contributor: Matt Errey