She Hui Yao, literally social shake in Chinese, refers to a dance and music style that grew out of Chinese short-video and livestream culture, where performers move with loose, rhythmic shaking to fast electronic tracks. The style became a recognisable meme format because its exaggerated confidence and simple, repeatable moves work well in very short clips. Creators outside China often use the sound without knowing the full dance, borrowing its high-energy beat as shorthand for swagger, party energy and playful bravado in dance challenges and reaction edits.