Sigma Boy is a Russian-language pop song by young singers Betsy and Maria Yankovskaya, released in October 2024. Its short, catchy chorus spread quickly on TikTok, where it was reused in edits, dance clips and ironic sigma male memes that play on the idea of a cool, independent character. The sound crossed language barriers because the hook is easy to recognise and repeat, and it kept circulating through fan edits, gaming videos and short-form compilations long after its first viral wave. That simple, confident energy is why creators still reach for it.