this is it

idiom

used to say that a very important thing is about to be done, a very important event is about to happen, etc.
This is it, men. Let's take home the championship!
As the car skidded out of control, I thought, "This is it. I'm going to die."

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Nobody knew about, and there were moments along the way that were just, this is it. Outside Online, 29 Oct. 2025 Best Shopping The Creation Station Fabric & Quilt Shop If paradise for quilters exists, this is it. Maggie Downs, Travel + Leisure, 27 Oct. 2025 All Penn State fans can do is hope that this is it; that Franklin, over time, is remembered as their version of Mark Richt; and that their version of Kirby Smart is next. Joe Rexrode, New York Times, 12 Oct. 2025 If ever there was a role for Shia LaBeouf, this is it. Peter Debruge, Variety, 14 Sep. 2025 See All Example Sentences for this is it

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“This is it.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/this%20is%20it. Accessed 11 Nov. 2025.

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