
A.C.A.B. is an anti-police acronym standing for `All Cop[per]s Are Bastards`, used as a slogan in graffiti, tattoos, and other imagery. ==History== The Dictionary of Catchphrases states that the acronym was seen in 1977 by a Newcastle journalist written on the walls of a prison cell and estimates the acronym to be no older than the 1970s, though.....
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http://en.wikipedia.org/wiki/A.C.A.B.

A.C.A.B. is British slang for 'All Coppers Are Bastards'.
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http://www.probertencyclopaedia.com/browse/ZA.HTM
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