# drop a bollock

idiom · Vulgar

Source: https://englishreference.com/idiom/drop-a-bollock
Updated: 2026-08-10

## Meaning

To make a mistake.

## Examples

- I really dropped a bollock when I sent that email to the wrong person.
- The project was going perfectly until the manager dropped a bollock and deleted all the important files.
- Despite his years of experience in the field, he dropped a bollock during the final presentation, which ultimately cost the firm the lucrative contract.

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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.