Ugol is presented as a short Russian-language clip whose published description compares its subject to a little coal, and that small, memorable image is the hook that travels with it online. With only a few seconds of audio, it works as a compact reaction sound that creators can recognise, reuse and recontextualise without needing a longer scene. Its appeal lies in that brevity and strangeness: the coal comparison feels oddly warm and specific, so it stands out in feeds crowded with louder effects. As a result, it circulates mainly as a niche meme sound for playful, deadpan edits.