Top Definition
ACAB, or A.C.A.B. = All Coppers Are Bastards.

Originated way before the punk & Oi appropriation of the abbreviation. References to it go back to the 1940s in the UK. Often as a tattoo on those who've had unpleasant dealings with the British police.
ACAB tattoo across the hands/fingers/knuckles.

Occasionally seen as tattoo on the forehead during the punk/Oi era.
by EricWelthorpe April 12, 2008

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1. ACAB (A.C.A.B).
All Coppers Are Bastards / All Cops Are Bastards.
Origionally used by strikers in the UK, spread to prison inmates who often tattoo'd ACAB on themselves.

In the 70's became popular in the punk/oi scenes after the band 4-Skins used it as the title for a song.

Alternative defenitions are often used to avoid getting in trouble when quized on its mening, for example a march in germany had a banner proclaiming All Communists Are Beautiful.

2. ACAB - Anti Cuts Action Bristol, a local campaigning group fighting against austerity cuts and their root causes; capitalism and hierarchy.

3. Association of Community Access Broadcasters, a group of New Zealand community radio stations.
I'll sing you a song it won't take long, all coppers are bastards.

ACAB - Not from a bunch of white power twats, not from california.
by Always Anonomous December 22, 2010

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stands for All Cops Are Bastards.
the coppers beat up on a kid holding up a sign that read "A.C.A.B."
by KRHimself October 30, 2004

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Stands for All Cops are Bastards
The policeman got pissed off by John's A.C.A.B-shirt.
by Sillsallad April 14, 2006

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All Cops Are Bastards
That cop pepper sprayed those peaceful demonstrators. Man, ACAB!
by Appleicious November 23, 2011

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All Cops Are Bastards

A.C.A.B

punks write it on stuff
ACAB is true
by sex March 24, 2004

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Acronym for All Cops Are Bastards. Great Oi! band from Malaysia (now defunct). Also a song from 4-skins lp 'the good, the bad & the 4-skins' from 1982, pre-dating any white power nonsense.
A.C.A.B. got their name from a song but they were still a great band!
by Landvaettir1 February 04, 2010

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