The exact origin of this ahhh and haa scream is not documented, so it works best as a generic, instantly recognisable reaction rather than a quote from a film or show. Its prank roots are clear in how people use it: the long, theatrical delivery fits the same kind of overacted surprise as a shocked sound or a goofy yell, making it useful whenever a creator wants a big, silly response without words. Its simple, loud delivery keeps it in prank videos, reaction edits, and meme compilations where a sudden shout does the joke.