Hershey Stain Share definition Flag A trail of fecal matter left in undergarments due to poor hygenical ass-wiping. Popularized by Dave Chappelle "...until I get a whiff of your Hershey Stains..." - "Piss on you" Hershey Stain by Cicatriz December 28, 2004 0 0 Get merch Get the Hershey Stain mug. Buy Now — $32.95 See more merch