This word is a combination of the word "Sir" which is a very polite term and "broski" which is a more slang term, so once mixed up creates the word "Sirsky" which is also fun to call your friends you highly respect.
The type of biscuit that is purely made of the grains of our great Australians beaches. Usually turns into original form when pressure is applied. Mainly given at budget boarding schools. Digestion is not advised.