* G'day: This is the most iconic Australian greeting, often used as both "hello" and "goodbye".
* How's it going?: This is a casual and friendly way to greet someone.
* What's up?: This is a more informal and youthful greeting.
* Good day: A more formal version of "g'day".
* Morning/Afternoon/Evening: Depending on the time of day, these are common greetings.
* Hey: A simple and informal greeting.
* Good on ya: This is a common phrase used to express approval or support, and can also be used as a greeting.
* No worries: This is a common way to say "hello" or "goodbye" in a relaxed and friendly manner.
It's important to note that slang varies depending on the region and social context. Some phrases might be considered rude or inappropriate in certain situations.