skiffy Share definition Flag describing stoners who fart. A stoner whom proceeds to fart, is therefore "skiffy". Hippie: "Only skiffy stoners fart" Jay: "WHAT IS YOUR DAMAGE LITTLE BOY?!?" Silent Bob: "...." skiffy by Garth November 21, 2004 0 0 Get merch Get the skiffy mug. Buy Now — $32.95 See more merch