Milko
Australian SlangDefinition
Milkman; the person who delivers milk, traditionally door-to-door.
Examples
"The Milko swung by at dawn and left two glass bottles on the front step."
"Mum left a few coins and a note asking the Milko to drop off an extra bottle of milk."
"You could hear the Milko’s ute clattering down the street, bottles clinking in the crate."