The exact origin of the Go Juanita clip is not documented, and it appears to come from a user-uploaded soundboard rather than a widely known movie, show or viral video. Short personalized cheers like this spread because they work as a flexible meme, letting creators insert a specific name into sports fails, running clips and everyday challenges for comic effect. Its continued use comes from that versatility, turning any underdog moment into a tiny, funny fan moment without needing context.