IBSSTL Share definition Flag IBSSL is an acyrnim. It stands for "Itchy Ball Sack Stuck To Leg". Bob: Fuck (rubs crotch), IBSSTL! Marry: IBSSTL? What? IBSSTL by qwerty732 February 5, 2010 0 0 Get merch Get the IBSSTL mug. Buy Now — $32.95 See more merch
