“Yahoo, didgeridoo! Blinky Bill and all his crew! Nutsy, Flap, and Marcia too, and Splodge the kanga-, Splodge the kanga-, Splodge the kangaroo! Sing this to any American and they will give you such a strange glance. Sing it to any Australian, especially one who grew up as a kid in the 1990’s, and you will be greeted with a look of utter joy that one...