How to Use that's it in a Sentence

that's it

phrase

• As soon as the Olympics are over, that's it.
  — Becky Sullivan, NPR, 18 Feb. 2026
• When the pastries are gone on Saturday, that's it.
  — John Shumway, CBS News, 27 Feb. 2026
• Just asking for a little bit of leniency, that's it.
  — Christina Coulter, PEOPLE, 23 Dec. 2025
• There is some evidence about which strains are helpful in a select few conditions, but that's it.
  — Amber J. Tresca, Verywell Health, 13 Jan. 2026
• If voters reject the proposal, that's it, for a generation at least.
  — ABC News, 29 Aug. 2026
• More Mitchell Leff/Getty Images The only thing Manaea is good for right now is eating innings -- that's it.
  — Drew Vonscio, MSNBC Newsweek, 11 Sep. 2025