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.

A portmanteau of carpe diem, a Latin phrase that means “Seize the Day!” and DM, which stands for Direct Messages. This word means seizing the day via DMs.

Stands for All Cops are Bastards

A word or phrase used by angry white teens when they get caught doing a 70 in a 55

All Cops Are Bastards