The phrase is Brazilian Portuguese trading slang for buying an asset while its price is still falling, a risky strategy often called catching a falling knife in English. Online, the line circulates as a short meme audio because its blunt confidence makes it perfect for jokes about losses, bargains and stubborn optimism. It is commonly shared in Portuguese-speaking meme and trading communities, where creators reuse it whenever a chart turns red, a deal looks too good, or a character refuses to admit a purchase was a mistake.