(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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Regional slang from around the English-speaking world — British, Australian, Irish, Caribbean, Nigerian, Filipino, AAVE, and the hyphenated-English dialects that make the internet sound local.
See all Regional & Other slang on Slangora.