Australians typically pronounce "women" as "wim-in" with a short "i" sound.
You call people living in Australia, Australians.
Australians call them "lifts", but the word "elevators" is not unknown.
Watermelon, Australians just have an accent.
i presume you mean do Australians call us poms? if so yes
KIDS
it is a veranda
We call them thongs, and yes, many Australians wear them.
The other name of the Sheila is the Abaya. This is used for covering the face of Arabic women.
The older generation Australians used the word sheila as a way to describe a woman with no connotations involved as to social class or morals. A woman who was a good sport. Although some are offended by the word its not derogatory at all.
If it is an outdoors "grill", it is probably what Australians call a Barbeque. With increasing frequency, it is sometime known by its brand name as a Webber.
Australians commonly call chickens "chooks" (rhyming with looks).