Bu xing ba is a common everyday phrase in Mandarin, roughly meaning that will not work or surely not, and its short length made it a natural fit for soundboards and short form video. Clips of the phrase circulate as a standalone reaction rather than being tied to one known show or creator, shared in chats and edits where a quick verbal no is needed. Its popularity comes from timing and tone, a sub second line that viewers understand instantly even without knowing Chinese, thanks to its clear questioning inflection.