# that dog don't run

idiom

Source: https://englishreference.com/idiom/that-dog-dont-run
Updated: 2026-08-10

## Meaning

An expression of disapproval or disbelief.

## Examples

- You think that excuse works? That dog don't run.
- He tried to convince me the store was closed for a holiday, but I told him that dog don't run.
- The politician offered a flimsy explanation for the missing funds, yet the skeptical public knew that dog don't run.

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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.