666

Picture a gamer mashing '6' in chat because their fingers can't type fast enough to keep up with their amazement — that's the origin of 666. In Chinese gaming slang, '6' sounds like 'liù,' a homophone for '溜' (liū), meaning slick or smooth. Triple it for emphasis and you've got the highest compliment the internet can offer: effortlessly impressive, almost supernaturally skilled. It jumped from gaming lobbies into everyday life, where it now means anything from 'nice move' to 'you absolute legend.'

China's gaming boom of the 2010s created a generation of young players who built their own rich vocabulary inside platforms like Honor of Kings and League of Legends. As mobile gaming exploded and internet cafes remained cultural hubs, gaming slang migrated into mainstream social media on WeChat and Weibo. By 2016, 666 had crossed over entirely, used by office workers, students, and parents alike to signal admiration with a single, punchy number string.

666源自游戏圈，表示某人技术高超、操作流畅，后泛指厉害、令人佩服的事物或行为。