Top definition
A mannerism or slang originating in, or widely used within Australia.
Due to the Crocodile Dundee movies, many people mistakenly believe, "Throw another shrimp on the barbie" to be an Australianism. In fact, in Australia, shrimp are known as prawns; and snags or steak are more likely to be associated with barbeques.
by Simone84 March 11, 2008
Get a Australianism mug for your friend Trump.
3
a chronic disease that results in a person being upside down. Exists universally in the "nation" of Australia
Yet another newborn has fallen victim to Australianism. I hope we can find a cure one day.
by poopakhell November 02, 2020
Get a Australianism mug for your Aunt Sarah.