The ol' Tiferoo Share definition Flag Grind up against one dude all night and then hook up with his roommate. Girl 1: "I totes pulled the ol' Tiferoo last night!" Girl 2: "Sweet" The ol' Tiferoo by Poophead1 May 17, 2011 0 0 Get merch Get the The ol' Tiferoo mug. Buy Now — $32.95 See more merch