But not all -o words were Australian, said Simpson : eg 'aggro' and 'cheapo'. Australians used the -o suffix a lot, he reflected. Michael Davie in 'Going from A to Z forever' (an article on the 2nd edition of the Oxford English Dictionary), Age, Saturday Extra, 1 April 1989, writes of his visit to the dictionary section of Oxford University Press:īefore I left, Weiner said he remembered how baffled he had been the first time he heard an Australian talk about the 'arvo'.