Rato Castelo circulates as a scream meme rather than a line tied to a widely documented film or television scene, and its appeal comes from the exaggerated length of the shout itself. Short-form creators have picked it up as a reusable reaction, dropping it into gaming clips, fail compilations, and commentary edits where a single word can carry the joke. Because the cry needs no translation or backstory, it travels easily between audiences and remains useful whenever a creator wants an instant, over-the-top denial.