Uau de Perfum circulates online as a short Portuguese-language reaction clip shared on soundboards and in meme edits, with its exact original recording and creator unclear. Its spread comes from how reusable the line is: the perfume reference is specific enough to be memorable, while the exaggerated wow works for almost any impressive reveal. Creators reuse it for fragrance jokes, fake luxury moments and sarcastic compliments, which keeps the sound active even without a single famous scene attached to it.