Smosh is a long running American sketch comedy YouTube channel founded in 2005, known for ensemble sketches, games and reaction style videos with rotating cast members including Arasha. Short cast reactions are often clipped by fans and shared as standalone sounds because the emotion reads without context. This woah oh moment spread that way, moving from the original video into edits, compilations and soundboards where a brief surprised vocal reaction is needed. Its continued use comes from that clarity, it signals amazement in under four seconds.