No documented origin for this clip is given in the supplied information, so it is best understood as a short soundboard clip circulating under its Portuguese title. The title itself names 2017 and asks where its happiness went, giving creators a ready-made shorthand for nostalgia and disappointment without needing further context. Its very short length suits quick reaction edits and short-form videos, where a single recognisable question can carry the joke or mood. That simplicity is why the phrase remains reusable well beyond the year it names.