Bass Fart Share definition Flag When you are listening to music with or without friends and you yell "BASS FART!" right before you fart to add some bass to the song. James and I were listening to music and out of the blue he yelled BASS FART and farted Bass Fart by Recneps520 September 15, 2010 0 0 Get merch Get the Bass Fart mug. Buy Now — $32.95 See more merch