Little is documented about the original recording behind Gu Hui Tan, and it circulates mainly as a short user-shared clip rather than as a widely known line from a film, show or song. Its appeal online comes from its title and its brevity: the sombre meaning behind the Chinese words contrasts sharply with the throwaway way it is dropped into jokes, edits and replies. That contrast keeps it useful for creators who want a grim, unexpected button at the end of a moment without explaining the reference.