Fart lung Share definition Flag Fart lung is a phrase used when somebody farts in a room with other people in the room and they inhale the fart Person 1- farts, Person 2-dude your going to give me fart lung Fart lung by Justheretomakeapoint February 5, 2022 0 0 Get merch Get the Fart lung mug. Buy Now — $32.95 See more merch