pith burn Share definition Flag The burning sensation on your lips when you start the peeling processs of a grapefruit, orange or lemon, by biting into it. A Pith Burn tingles at first, then the oils hit your lips and linger for some fruits, quite awhile! pith burn by ridesoft June 16, 2011 0 0 Get merch Get the pith burn mug. Buy Now — $32.95 See more merch
