Pillow is a character from the web series Battle for Dream Island, and this clip is tagged by fans with its later seasons, Battle for BFDI and The Power of Two. In that community, short character sounds are often clipped, shared and reused in fan edits, memes and reaction videos rather than kept only inside episodes. A pillow-muffled scream fits that style perfectly, because it is instantly recognisable as a cartoon outburst while still sounding soft enough for comedy. That mix of fandom recognition and easy reuse has kept it circulating online.
关于此声音
A muffled scream linked to Pillow from Battle for Dream Island, used in edits and reaction clips when frustration or panic needs a funny, over-the-top release.
This is a brief, high-pitched scream that sounds as if it is being shouted straight into a pillow, so the voice is softened, slightly muffled and a little frantic rather than sharp or piercing. It lasts just over a second, which makes it easy to drop into a quick cut without breaking the pace of a video. The comedy comes from that contrast: the emotion is clearly intense, but the pillow swallows most of the noise, turning a dramatic outburst into something small, silly and relatable. Viewers tend to read it instantly as suppressed frustration, embarrassment or playful panic.