# beat someone's brains out

idiom

Source: https://englishreference.com/idiom/beat-someones-brains-out
Updated: 2026-08-10

## Meaning

To beat someone very severely (especially in the head).

## Examples

- The bully threatened to beat his brains out.
- The fight turned violent when the attacker threatened to beat his brains out if he did not hand over his wallet.
- The brutal scene depicted the villain threatening to beat his brains out, leaving the terrified witness unable to speak or move.

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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.