Short, repeatable vocal-style clips like this one thrive on soundboards and in short-form video because they are easy to recognise, easy to reuse and instantly understood without context. The 'wii wii wii' clip fits that pattern: creators keep it in rotation for lighthearted edits, reaction videos and playful meme clips, where a brief silly sound can carry a joke on its own. Its popularity comes less from a single famous source and more from how reliably it makes a small moment feel funnier.