litterbox island Share definition Flag Island in the tropical hemisphere of The Seven Rooms. battleground for Tuber Von Itchenfleas and Snooker Von Arwenhoser. Captain Tuber Von Itchenfleas burries his treasure in the sands of Litterbox Island litterbox island by Tink January 24, 2005 0 0 Get merch Get the litterbox island mug. Buy Now — $32.95 See more merch