The clip is titled with the name Sang Youmu and the Mandarin exclamation wan dan, which translates roughly to we are done for. With no wider documented source, it circulates as a user uploaded reaction sting rather than a line from a known film or show. Its appeal comes from brevity, at just over half a second it functions like a verbal facepalm. Chinese reaction sounds like this have become popular with global meme editors who use short foreign language exclamations to punctuate fails without needing translation.