Australia used to be New Zealand's western island. But the brits needed a place to stash convicts. Being generous, New Zealand gave them the island.
50 years pass, and the convicts breed and learn simple table manners. The other half of the country is made up of abused aboriginals, whose only joy in life is to buy a litre of petrol and sniff it around the corner of the petrol station.
The country is mostly desert, with a couple of hick farms spread around.
The animals have pouches (what the fuck is the point in a pouch anyway?).
Abo #1: Let's buy some petrol MOOOIIITTE!!
Abo #2: No money, let's just siphon it.
Abo #1: Gud idea mens, hu hu hu.
<They siphon petrol and proceed to sniff until they are high>
<Riot police come and beat them to death>
Riot policeman: Haha, our australia you fuckers!