The phrase translates roughly as what are you talking about, sister, brother, and it circulates online as a short Turkish reaction sound rather than a line tied to a widely documented film or show. Shared as a three-second clip on meme pages and short-form video apps, it is reused whenever a creator wants to call out rambling, contradictory or over-the-top speech. Its appeal comes from its directness and rhythm, which work even for viewers who do not speak Turkish, because the tone alone signals disbelief and makes it easy to drop into edits, duets and comment-style videos.