The phrase means don't be afraid in Russian and is linked on soundboards to Mellstroy, a Russian streamer whose short, quotable reactions are widely reused in online clips. Rather than coming from a single famous scene that is easy to pin down, it has circulated as a compact reaction sound, passed between meme pages, edits and soundboard collections. Its appeal is its simplicity: a direct, confident reassurance that works in both sincere and mocking contexts, which is why creators keep reaching for it when a character or friend needs a push.