gfkysydb Share definition Flag go fucking kill your self you dumb bitch if you are vary mad at someone you can say gfkysydb or if you are haveing a fight with someone you can say gfkysydb aswell gfkysydb by haveyoucheckedyourbutthole? August 5, 2021 0 0 Get merch Get the gfkysydb mug. Buy Now — $32.95 See more merch