This sound is associated with Hikakin, a major Japanese YouTube creator known for expressive delivery and memeable reactions. The clip spread online because the long, triumphant "Yatta" is easy to understand even outside Japanese, making it useful in quick reaction edits. It is still used in short-form videos, gaming posts and celebratory meme compilations where creators need an instant burst of exaggerated success or relief. Its staying power comes from that simple, readable emotion and the dramatic way the shout is performed.