To transition from UK english to US english they carefully insert a freedom bullet within your frontal lobe. To do the lobotomy to transition to maga they explode that bullet.

To transition to Australian English isn’t directly possible, you have to be American English and have your left big toe get bitten by a camel spider, then your children will be born austrialian.

This is also why australians are afraid of spiders biting their toes, the amount of Australianism that would occur would be to heavy to handle causing the continent to sink.