# crap up

idiom · Slang

Source: https://englishreference.com/idiom/crap-up
Updated: 2026-08-10

## Meaning

To ruin, botch, bungle; to make a mess of.

## Examples

- I really crapped up that presentation today.
- He tried to fix the computer himself, but he only crapped it up further.
- Despite his extensive preparation, he crapped up the final negotiation by losing his temper at a critical moment.

---

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.