The line comes from Chicó, a character in the Brazilian film O Auto da Compadecida, released in 2000 and based on Ariano Suassuna's play. In the story Chicó is known for inventing tall tales, so his shrug-like admission that he does not know how something happened, only that it did, fits his personality perfectly. Brazilian audiences later clipped the moment for WhatsApp audios, reaction videos and short-form edits, where its brevity and deadpan tone made it easy to reuse whenever an explanation was missing.
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A Chicó voice clip saying 'não sei, só sei que foi assim' from the Brazilian film O Auto da Compadecida, used in memes to react to something unexplainable.
This is a brief spoken line delivered by Chicó, the quick-witted sidekick in O Auto da Compadecida, in a casual, slightly defensive tone that sounds like he is giving up on explaining himself. He admits he does not know how something happened, only that it did, and the flat, matter-of-fact delivery makes the excuse feel both funny and oddly convincing. Because the clip is so short, it lands instantly in a video or chat, turning confusion, a failed plan or an absurd coincidence into a punchline without needing any extra context.