The line comes from Dimension 20, the tabletop roleplaying series where Evan Kelmp is a central character in the Misfits and Magic storyline. Fans clipped the moment because the warning is delivered as ordinary conversation, turning a grim discovery about pudding into a quotable joke. Shared as a short reaction sound online, it spread among Dimension 20 viewers who use it for any disgusting surprise, especially around food, while the dialect spelling puddin kept the phrase searchable and distinct from similar gross out lines.