cat in the sack

Proposed by a contributor, not yet supported by evidence.

Meaning · English

something unpleasant or of poor quality that is hidden or disguised

Nghĩa · Tiếng Việt

Thứ gì đó khôngpleasant hoặc chất lượng kém bị che giấu

Machine-translated — suggest a fix

Literally: a cat concealed in a sack
Where it’s used: Used Widespread English

Examples

I bought a cat in the sack when I purchased this used car

AI-drafted example auto-approved by rule (illustrative, not a corpus attestation)

Sources & notes

Listed in Wiktionary’s “English idioms” category (retrieved 2026-07-29); definition pending editorial review. Definition drafted by AI (@cf/meta/llama-3.3-70b-instruct-fp8-fast) and auto-approved by rule on 2026-07-30; pending editor spot-check.

Common questions

What does “cat in the sack” mean?

something unpleasant or of poor quality that is hidden or disguised Literally: a cat concealed in a sack

Is “cat in the sack” formal or informal?

No register label has been reviewed yet — treat it as neutral and check the usage notes above.