This sound comes from the well-known Universal studio opening music heard before many films. Online, people clipped the fanfare into a short meme sound and started pairing it with exaggerated intros, parody trailers and dramatic reveals of very small events. It stayed popular because viewers instantly recognize the blockbuster tone, so even a low-effort joke feels intentionally oversized. In meme edits, it often fills the same role as Directed by Robert B Weide when a punchline needs a familiar cinematic finish.