The sigma male trend blew up around 2021, when TikTok and YouTube filled with edits casting characters like Patrick Bateman and Thomas Shelby as lone-wolf alphas set to phonk music, though this exact clip's creator is unknown. Clips tagged as sigma sounds get shared as punchlines for confidence and indifference rather than as music. If you want to lean into the meme, pair this with related reaction sounds like BRUH or the Emotional Damage Meme, which land the same ironic tone.