404 (sì líng sì) — Censored / disappeared / not found — borro...
Censored / disappeared / not found — borrowed from the HTTP 404 error code. In Chinese internet culture, 404 refers to content deleted or blocked by censorship. "404'd" means something has been scrubbed from the Chinese internet.
Example Usage
那篇文章已经404了，找不到了。
That article has been 404'd — it's gone.
Cultural Context
China's Great Firewall regularly removes sensitive content, leaving a 404 error in its place. Chinese netizens use "404" as a verb and adjective for officially erased information. Saying content "went 404" is a quiet, ironic way to acknowledge censorship without directly criticizing the government.
Category: internet-culture