Duck’s Arse is cockney rhyming slang for Grass

💬 “Don’t talk to him mate, he’s a Duck’s Arse.“

Duck’s Arse is normally used in the context of a police informant. The word grass itself could originally be rhyming slang – derived from Grasshopper, probably rhyming slang for shopper – someone that shops others to the police (informs on them).

Submitted by Michael.
First submitted on February 24, 2012.

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