Awesome, skillful, well played.
Born in gaming streams and now everywhere online. Typed in chat as pure applause. Carries none of the Western connotation of the number.
六 (liù, six) sounds like 溜 (liū), meaning smooth or slick. Six-six-six = seriously slick.
It means "smooth," not anything sinister. The Western reading of 666 does not exist here.
Reading a definition isn't the same as saying it to someone. Lingo Kaiava is a voice tutor set to Chinese — it uses 666 the way locals do, corrects you in the moment, and never "fixes" the way real people actually talk into textbook Chinese.
Free to start. No signup for your first conversation.