The phrase is Romanian, roughly asking what has gotten into someone and why they are acting that way, and online it has settled into use as a reusable scolding reaction. Clips like this circulate on soundboards and in short video edits because the emotion is clear even for viewers who do not speak the language. Its longer running time sets it apart from a quick shout, giving editors a sustained outburst to match a scene that keeps getting worse, which helps explain its repeat use in memes.
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A Romanian woman exasperatedly asks why someone is acting that way, in a drawn-out frustrated tone people use for reacting to reckless or silly behaviour.
This clip captures a woman speaking Romanian in a fed-up, scolding tone as she asks what is wrong and why the other person is behaving like that. The delivery stretches the frustration out over ten seconds, rising and falling like a lecture you can already see coming. It is not calm or polite, it feels personal and theatrical, which is exactly why it lands as comedy. Dropped over a foolish decision or a clumsy moment, it turns an everyday mistake into a dramatic telling-off and gives viewers an instant, exaggerated reaction to share.