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.

Acronym : All Caterpillars Are Butterflies

ACAB or “all cops are bastards” doesn’t necessarily mean all people they are cops are bad but all cops are condoning a fucked up system

All cats are beautiful.

ACAB - All Criminals Are Black

ACAB stands for ALL COPS ARE BASTARDS. it’s typically confused and misinterpreted into all cops are bad, but it specifically has to be bastards. the word bastard comes from bastardize, which is rooted from corrupt. it basically means the system is corrupt, and should be reformed.