There is no single famous source for this clip; it circulates as a generic prank sound on soundboards and in short-form videos, where creators reuse short bathroom noises because they are instantly recognisable and need no explanation. Its popularity comes from that simplicity: a few seconds of crude sound can turn an ordinary fail, reaction, or gaming moment into a joke without any setup. Because prank and meme humour relies on surprise, the clip stays in rotation for edits, streams, and group-chat jokes that aim for a quick laugh.