The clip brings together separate internet trends that rose on TikTok and YouTube in the early 2020s. Sigma became slang for a lone, confident male archetype, Skibidi came from the Skibidi Toilet animated series that went viral in 2023, and KSI is a British creator whose reactions and music are frequently remixed. Fans edit those references together with other meme staples like goofy ahh sounds and a quick bruh reaction. The combination spread through short form edits and soundboards because the stacked buzzwords signal brainrot humor instantly, even out of context.