(UK, idiomatic) To commit a faux pas, especially in speech, such as by tactlessly speaking of a subject that should not be mentioned.
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UK and Irish slang — Cockney, Scouse, Geordie, Yorkshire, Glaswegian, Brummie, Welsh, West Country, plus Irish English. Centuries of regional dialects feeding into modern British and Irish street talk.
See all British & Irish slang slang on Slangora.
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