Sigma Town grew out of the TikTok brainrot wave built around skibidi toilet humour and Gen Alpha slang, where words like sigma, rizz and gyat became punchlines in their own right. The track strings those terms into a deliberately silly anthem for an imaginary sigma town, and low-quality, bass-boosted reuploads helped it spread as a joke sound for edits and memes. It stays popular because the slang is instantly recognisable to younger viewers and the rough mix makes every use feel ironic, chaotic and shareable.