Green’s Dictionary of Slang

(Aus.) a cold, disdainful stare.

1914		C.J. Dennis ‘The Play’ in Bulletin (Sydney) 16 July 47/1: Ar! but ’e makes me sick! A fair gazob! / ’e’s jist the glarsey on the soulful sob.
1924		(con. WWI) A.G. Pretty Gloss. of Sl. [...] in the A.I.F. 1921–1924 (rev. t/s) n.p.: glassy eye. A look of disappointment.
1955		N. Pulliam I Travelled a Lonely Land (1957) 138: Melbourners hate Americans, give ’em the glassy and go right on.