Erm what the sigma became a popular brainrot phrase on TikTok and meme pages in 2024, used as a nonsense way to express confusion. This version puts the line in the voice of a Pillager, the crossbow-wielding illager mob from Minecraft known for its grunting sounds. Combining a familiar game enemy with Gen Alpha slang helped the clip spread on soundboards and in short edits, where it is still used as a quick, absurd reaction to strange behaviour or unexpected twists.