Sentence examples for arse shut from inspiring English sources

The phrase "arse shut" is not standard in written English and may be considered informal or vulgar.
It could be used in a colloquial context to imply that someone is being overly cautious or closed off, but it is not widely accepted in formal writing.
Example: "After hearing the criticism, he kept his arse shut and didn't say a word."
Alternatives: "mouth shut" or "lips sealed".