Leo Rey rose to fame in Chile as the frontman of cumbia group La Noche during the 2000s, a period when their songs dominated parties and radio. Brígido is Chilean slang for something intense or extreme, and the shouted delivery fits that meaning perfectly. As short clips began circulating on social media and messaging apps, his exaggerated shout was separated from full songs and reused as a standalone meme reaction. The phonetic spelling brijido stuck in searches, helping the sound spread among Spanish speaking creators online.