"Battered sav and chips please moite"
VB - the Very Best (according to some

)
Full as a fat girl's socks
Busier than a one legged bloke in an arse kicking contest
Circlework (of the ute kind, not the budgie tongue kind

...... ooh there's another Aussie-ism)
Newsreaders who say "strayan"
Ridgey Didge (said it to a couple of people in the 18 - 25 y/o bracket and they have no idea what it means. And they call themselves Australian. Shame younguns, shame)
"I wish my girlfriend was this dirty" written on the back of a muddy 4WD