Phrases & SayingsEveryday life
wouldn't know shit from clay
Also: doesn't know shit from clay
Be unable to distinguish the obvious or know very little.
In a sentence
He wouldn’t know shit from clay when it came to engines.
Where it came from
Australian sources document the expression in local use. Its precise history and changing context are not fully established.
- Initial era
- 2000–today
- Where used
- Australia-wide