The exact original recording behind this clip is not clearly documented, and it is best understood as a short user-shared reaction sound rather than a clip from a named show or film. On soundboard sites it circulates under both the Aumsun and Aumsum spellings, which is why searchers often try both versions when looking for the same brief wail. Its appeal is practical: at well under a second long, it is easy to drop into memes, reaction videos and short edits without needing context, and its exaggerated tone reads instantly as comic disappointment.
About this sound
A short, exaggerated dramatic crying wail used as a comic reaction sound in memes and short-form videos when something goes wrong or feels unfair.
Aumsun crying is a very brief, high-pitched wail that sounds like a cartoon sob. It opens straight on the sound, with a stretched, trembling voice rising and falling in less than a second, so there is no build-up or spoken line to explain it. That instant, over-the-top sadness is what makes it work as a punchline: it turns a small failure, a rejection or an unfair twist into something deliberately melodramatic. Played over a reaction shot, it tells the viewer to laugh at the drama instead of feeling sorry for the person on screen, and because it ends so quickly it can be repeated without slowing the edit.