This part directly references the film The Greatest of All Time , popularly known as GOAT . The "dad" likely emphasizes a key plot point: actor Thalapathy Vijay portrays dual roles as a , a narrative hook that heavily featured in the film's marketing. The film's use of de-aging technology for Vijay's character added to the technical intrigue surrounding the movie.
When you see a string like this, it is usually a "scene release" format detailing exactly what the file is: This part directly references the film The Greatest