Short shocked scream clips like this became a staple of meme soundboards because the phrase oh my god is instantly understood in almost any context. The extended aa version spread through short form edits, gaming highlights and reaction compilations where creators needed a bigger reaction than a normal gasp. Its popularity comes from its flexibility, working for real surprise, fake horror or sarcastic overreaction, and it remains widely reused because it needs no setup and lands immediately with viewers who already know the format.