PKI is the Indonesian abbreviation for Partai Komunis Indonesia, the Communist Party of Indonesia, a party that was banned after the political upheaval of the mid-1960s. The name still carries strong historical associations in Indonesia, which is why short clips using it circulate mainly in political discussion, memes and history-focused videos rather than as entertainment on its own. Creators use it as shorthand for a controversial chapter of Indonesian history, letting three letters suggest a much larger story without explaining it in full.