thick as a whale omelette

In real, traceable use. Part of the curated seed collection; community review is coming.

Meaning · English

Extremely stupid.

Register: slang

Where it’s used: Used American English
Sources & notes

Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).

Common questions

What does “thick as a whale omelette” mean?

Extremely stupid.

Is “thick as a whale omelette” formal or informal?

thick as a whale omelette is generally slang.