# knock oneself out

idiom

Source: https://englishreference.com/idiom/knock-oneself-out
Updated: 2026-08-10

## Meaning

To go ahead; to do as one pleases; to enjoy oneself; to endeavor very hard at a task.

## Examples

- If you want to eat all the cake, knock yourself out.
- I have finished my part of the project, so knock yourself out if you want to add more changes.
- If you are determined to pursue such a difficult path, then by all means, knock yourself out and see where it leads.

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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.