protected, adj. — Green’s Dictionary of Slang

protected adj.

[? the protection is that of the gods]

(Aus./N.Z.) lucky, fortunate.

1933		(con. WWI) A.E. Strong in Partridge Sl. Today and Yesterday 287: Joe: When I said ‘Hooray’ he called me back and gave me a few francs; I reckon I was very tinny. [...] B: Yes, you were protected, Joe.
1941		Baker Popular Dict. Aus. Sl.