Sneakers or running shoes.
Sandwich. The earlier term was “sango,” but this form has been common since the 1960s.
A service station or gas station — called petrol station in Australia.
A novice surfer or a surfer in general (or his/her board).
A woman or girl — the generic female equivalent of Bruce, though of 19th-century origin. It possibly referred originally to Irish immigrant women, among whom Sheila was a common name.