What is the author's style in The Last Continent: A Discworld Novel by Terry Pratchett?

In The Last Continent, British author Terry Pratchett lampoons popular Australian culture, particularly elements made popular in the mass media, like the films Crocodile Dundee and Mad Max, and songs like Waltzing Matilda and Tie Me Kangaroo Down, Sport. The narrator, Rincewind the Wizzard, is singularly unable to understand the colorful local idioms and needs a translator as he unenthusiastically follows the quest that is thrust on him by the Creator.