The phrase comes from a familiar trope in Portuguese-language retail advertising, where a store manager supposedly goes crazy and slashes prices for a limited sale. Brazilian and Portuguese viewers recognise it instantly as the language of loud, over-the-top promotions, which is why the line works so well out of context. Online, creators lift that exaggerated sales energy for memes, reaction videos and edits, using it whenever a deal, a price or a situation feels too absurd to be real. Its short length and instantly recognisable shout keep it useful as a quick punchline.