This meme sound is tied to Mellstroy, the online alias of streamer Andrey Burim, whose clips spread widely across Russian-speaking social media. Short voice moments from his streams often get reused as reaction audio in edits, remixes, and reposted compilations. "Posidim" stuck because the line is simple, easy to quote, and funny when placed after loud or dramatic footage. Its staying power comes from that contrast: one calm phrase used to undercut chaos, tension, or overconfident behavior.