fartition Share definition Flag Any kind of smell shield between someone's nose and bad gas. Ie: t-shirt or blanket. My gas was so bad last night my girlfriend used the blanket as a fartition to keep the smell away from her. fartition by Dr. Smoot July 21, 2009 0 0 Get merch Get the fartition mug. Buy Now — $32.95 See more merch