This clip circulates online under the Chinese character for ball, written as qiu in pinyin, with no clear credited source or original recording attached to it. That minimal labelling is common for ultra short effects shared between editors, phone soundboards and meme pages, where the sound travels by its feel rather than its origin. It is kept in rotation because a single rounded pop can suggest a bounce, a tap or a light impact without needing dialogue, music or explanation, making it easy to reuse across unrelated videos.