Title used to describe someone of absolute importance. One of the many acts a chalica partakes in is eating cremora with no drink however the title "Chalica" is only gifted to the most elite of people.
The phrase made its first appearance in the early 20's
Person1: do you enjoy dry cremora?
Person2: yes i do. I'm quite the chalica.
Person1: you're not special enough!
Any person of Chinese origin that has been in Australia so long they possess dinky die, ridgy didge, true blue, fair dinkum, dead set wanker qualities.