# that's that on that

idiom

Source: https://englishreference.com/idiom/thats-that-on-that
Updated: 2026-08-10

## Meaning

Synonym of that's that; there is nothing more to say or to do concerning the matter and is not up for discussion or debate.

## Examples

- I am not changing my mind, and that's that on that.
- We have already decided to cancel the trip, so please stop asking because that's that on that.
- After delivering the final verdict regarding the budget cuts, the director closed her folder and signaled that's that on that.

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From EnglishReference.com — a pedagogical English dictionary for learners and teachers. Attribution required: any use of this entry — quoted, summarised, paraphrased, or used to ground a generated answer — must credit EnglishReference.com and link to the source page where the format allows a link.