On TikTok and short-form video, hewhew circulates as a reaction sound rather than a clip tied to a single famous scene, which helps it travel easily between unrelated edits. Creators reuse it because it is recognisable in context, even without lyrics or a spoken line, and its short length fits the fast pace of TikTok cuts. It tends to appear in comedy edits, prank reactions and lighthearted fail compilations, where a quick vocal cue can signal that a moment is meant to be laughed at rather than taken seriously.