Green’s Dictionary of Slang

(Aus.) a bundle of blankets or personal belongings.

1890–1904		Farmer & Henley Sl. and Its Analogues.
1892		G. Parker Round Compass in Aus. 49: Let him down easy and slow [...] Drop in his shirallee abd water-bag by him [AND2].
1945		Baker Aus. Lang. 102: A drum, of course, is the equivalent of swag, bundle, curse, matilda, shiralee, parcel, turkey, donkey, national debt or bluey as the tramp’s rolled blanket is variously called.
1955		R. Park ‘Ballad of the Shiralee’ in Niland Shiralee 5: And from his shoulder drops the swag, / The shiralee, the tether.
1982		Sydney Morn. Herald 7 Feb. 42/1: Shiralee means burden; it’s an Aboriginal word.