The sound comes from a video by Luke Davidson titled boy smells something funny in his room, in which the boy reacts to an unpleasant smell in his surroundings. Clipped from that moment, the short groan travelled as a standalone reaction sound for creators who wanted a quick, recognisable way to show disgust without dialogue. Its appeal lies in its simplicity: the reaction is immediate, easy to place over almost any gross or awkward clip, and familiar to viewers who recognise the original video.