The phrase comes from Brazilian Portuguese slang, where favela refers to a neighbourhood and the full line loosely asks what can be done if that is who she likes. Shared as a short standalone audio on meme soundboards, it spread through edits and reaction posts because the wording is catchy even for listeners who do not speak Portuguese. Its humour depends on context rather than a known scene or character, so creators keep reusing it whenever a story involves unexpected attraction, loyalty to a type, or accepting a choice you cannot influence.