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noun
An informer or spy working for the police.
synonym: nark.
is a specific kind of: betrayer, blabber, informer, rat, squealer.
domain region: Britain, Great Britain, U.K., UK, United Kingdom, United Kingdom of Great Britain and Northern Ireland.
derivation: nark.
Dutch: informantPolish: szpicel
Find more on copper's nark elsewhere: etymology - rhymes - Wikipedia.
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