The phrase comes from Brazilian Twitch culture, credited to streamer pipocwb, whose clipped line 'dificilmente eu erro as medidas' spread as a short soundboard and meme audio. Its humour relies on a familiar online setup: someone trusted by eye instead of measuring properly, then getting it wrong. Because the line is brief and in Portuguese, it became especially shareable in Brazil for edits about construction, recipes and everyday miscalculations, where the confidence alone sets up the failure before anything is shown.