Australian Words and Phrases Americans Just Don't Get
Also brekkie. Breakfast.
A typical Australian male. The usage is said to derive from a 1970 Monty Python sketch in which all the supposedly Australian characters share that name.
Completely full. Possibly a shortening of chock-a-block.
Chicken, probably derived from “chick.”
Christmas, an occasion on which you might want to buy your friends and family prezzies.