Tootleoo Share definition Flag A way that old, lame people say good-bye; for some reason undefined by many online dictionaries, despite its ubiquitousness. "Bye, Marjorie!" "Tootleoo, Josephine!" Tootleoo by keen_machine May 18, 2006 0 0 Get merch Get the Tootleoo mug. Buy Now — $32.95 See more merch