# big fat

idiom

Source: https://englishreference.com/idiom/big-fat
Updated: 2026-08-10

## Meaning

Complete, utter, total.

## Examples

- That was a big fat lie.
- I studied all night, but the test was a big fat waste of time.
- Despite his elaborate promises of reform, the final report turned out to be a big fat disappointment to the entire committee.

---

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.