The phrase comes from Spanish speaking internet slang, where argensimio is a mocking nickname built from argentino and simio, used in teasing between Latin American users online. Short shouted clips like this spread through gaming chats, streams and meme pages because the line works without any context. It became a reusable reaction for telling someone to back off, half insult and half joke. Its popularity comes from the exaggerated anger in the delivery and from regional rivalry humour, so Spanish speaking creators keep reusing it in edits and voice messages.