General
black over bill's mother's
What does black over bill's mother's mean?
A Midlands weather phrase meaning dark clouds are gathering and rain is on the way.
"Better get the washing in — it's black over Bill's mother's."
Origin
Midlands/Black Country idiom of obscure origin, referring to darkening skies.
Frequently asked questions
What does 'black over Bill's mother's' mean?
It means dark clouds are gathering and rain is on the way.
Where is 'black over Bill's mother's' from?
It's a Midlands and Black Country idiom, though who 'Bill' is remains obscure.
When do people say it?
When the sky darkens and rain looks likely — often prompting someone to get the washing in.
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