The beeeeans wtf sound lives in the same corner of the internet as other yelled reaction clips like bruh and oh my god bro oh hell nah man. Nobody can pin down a single original video for it, but that has not slowed it down: short-form creators grabbed the stretched-out shout and turned it into a shorthand for mock disbelief. It thrives in meme compilations, shitposts and gaming clips, where its stretched-out delivery signals that something on screen defies explanation.