Unfunner Share definition Flag Something that is not fun whatsoever J: Yo, let's jizz all over the wall bruv. M: Nah, it aint wurf bruv J: You're so Unfunner} Unfunner by penisslayer333 June 16, 2017 0 0 Get merch Get the Unfunner mug. Buy Now — $32.95 See more merch