What does 'Black as Newgate's knocker' mean?
If things are as black as Newgate's knocker, they are very bad. Newgate was an infamous prison in England, so its door knocker meant trouble.
Idioms similar to 'Black as Newgate's knocker'
- Black will take no other hue
- In the black
- Black hole
- Beyond the black stump
- Black and blue
- Black sheep
- Black and white
- Pot calling the kettle black
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