Sigma Boy began as a Russian pop song released in 2024 by Betsy and Maria Yankovskaya, and it became a global TikTok phenomenon in early 2025 as creators paired its confident chorus with sigma edits, gym clips and character showcases. Its simple, chant-like hook travelled quickly across languages, making it a shorthand for exaggerated confidence and coolness. This short version, credited to Jonas, preserves that punchy chorus, which is why it still appears in memes, edits and short-form videos today.