This sound is known online as a scary donation alert style clip, likely shared through soundboards and meme edits rather than tied to one widely credited mainstream source. It spread because the format is instantly recognizable to anyone who watches livestreams: a sudden alert tone can make viewers expect a surprise, prank, or panic reaction. That familiar setup keeps it useful in short-form videos, gaming edits, and bait-and-switch memes where creators want a fast scare without using a long horror sting.