With no confirmed original source or speaker, this clip spread as a standalone soundboard reaction built entirely around its spelling, a long oh followed by endless fofofofofo repetitions. That written form is how users search for it and recognise it in captions and comments. It sits alongside other exaggerated vocal reactions like the oh my god meme and the scream meme, but it is longer and more rhythmic, lasting over seven seconds. Its length makes it useful for building tension before a punchline rather than for a quick one word reaction.