Pudding Stain Share definition Flag A suspiciously large brown stain found on the back of articles of clothing. Quite possibly Doo Doo The girl in the miniskirt has bad taste, her clothes don't match, there's a pudding stain on the back, it might be doo doo! Pudding Stain by El Zacko September 24, 2006 0 0 Get merch Get the Pudding Stain mug. Buy Now — $32.95 See more merch