The sound comes from Japanese online video culture around Hikakin, one of Japan's best known YouTubers, whose crying reactions have been clipped and compiled by fans. Collections labelled Hikakin crying and Hikakin Mania edits repeat the mama wail as a running joke, turning a moment of distress into a reusable reaction. From there it spread to international soundboards under romanised titles like mama mamamamaa, where creators who may not speak Japanese still recognise the tone instantly and use it as shorthand for childish, theatrical upset.