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cossie

(UK, Australia) A swimming costume.

ˈkɔsi194 viewsLast reviewed Jun 29, 2026+ Add a definition
🇬🇧 British & Irish slang
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UK
#1·Apr 27, 2026UK

(UK, Australia) A swimming costume.

“Let's not bother with cossies Jack. Let′s pretend it′s years ago.”She remembered the times they had swum at Eleni beach totally naked, the moon and stars lighting the little waves as they rolled slowly to shore.
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🇬🇧About British & Irish slang slang

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.

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