# knock someone's block off

idiom

Source: https://englishreference.com/idiom/knock-someones-block-off
Updated: 2026-08-10

## Meaning

To strike a person in the head, causing them to fall to the ground, especially in an unconscious condition; to beat up a person.

## Examples

- If you touch my car again, I will knock your block off.
- The angry man shouted that he would knock the bully's block off if he did not stop bothering his younger brother.
- The tavern erupted in chaos when the insulted sailor threatened to knock the stranger's block off for mocking his captain's reputation.

---

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.