Green’s Dictionary of Slang

nobbler n.3

also nobler
[fig. use of nobble v.2 (1); it ‘gets hold of you’]

(Aus.) a small measure of spirits; thus the drink itself (see cit. 1892).

[Aus]Sydney Gaz. 1 Dec. 3/1: Mr. Stroud, of Pitt-street, deposed, that having taken a nobbler of brandy, (and that was plain English) the day before, he had employed the prisoner to wash out a room for him.
[Aus]Sydney Herald 19 May 2/7: A wag enquired whether Mr Tegg […] was endeavouring to escape the licensing act by an admixture of a little salt and at the same time selling ‘nobblers’ instead of glasses for Her Majesty’s lieges’ sixpences .
[Aus]Satirist & Sporting Chron. (Sydney) 4 Feb. 2/1: The worthy member [...] was observed taking what is termed a ‘tightener’ at an oyster stall [...] following it up with a ‘nobbler’ at the London Tavern.
[Aus]Bell’s Life in Sydney 27 Dec. 2/5: Jane Smith, whose countenance bore ample testimony to its sufferance from the heat of the sun in the rocky regions, together with a penchant for an ‘odd nobler’ [sic].
[Aus]Bell’s Life in Sydney 20 Nov. 2/2: [He] merely allowed the prisoner tick for four nobblers.
G.F. Gold Pen and Pencil Sketches canto xiv: The summit gained, he pulls up at the Valley, To drain a farewell ‘nobbler’ to his Sally.
[NZ]Grey River Argus (NZ) 24 Aug. 2/5: As for nobblers, the most of them there sort of things that hav gon down my throte this weak has bin pade for by yours truly.
[Aus]C. Money Knocking About in N.Z. 13: There behind the bar of the ‘White Star’ was Reinecker [...] serving a ‘nobbler’ to a sashed and booted digger.
[Aus]A.C. Grant Bush-Life in Queensland I 243: He must drink a nobbler with ‘Tom,’ and be ready to ‘shout’ for all hands.
[Aus]‘Rolf Boldrewood’ Robbery Under Arms (1922) 3: If a few nobblers make him feel as if he might have some good chances yet [...] why shouldn’t he drink?
[UK]H. Nisbet Bushranger’s Sweetheart 41: Fine woman, but a little too fond of her nobbler.
[Aus]H. Lawson ‘The Hypnotised Township’ in Roderick (1972) 779: The Professor [...] calling upon her to have a stiff nobbler of whisky hot sent up to his room.
[Aus]Bulletin (Sydney) 6 Oct. 15/2: Only one man had the forethought to bring a 100-gallon cask of rum, which he retailed at a ‘bob’ a nobbler. When that ran out, he made his own grog.
[Aus]‘Henry Handel Richardson’ Aus. Felix (1971) 224: Having poured Doyle a nobbler and put a flask in his own pocket, Mahoney reopened the front door.
[Aus]G.H. Lawson Dict. of Aus. Words And Terms [Internet] NOBBLER—Glass of alcohol.
[UK]M. Forrest Hibiscus Heart 17: Just one nobbler.
[Aus]‘Banjo’ Paterson Shearer’s Colt 35: She sent down to the blacks’ camp to say that she would ‘give it big feller nobbler’ to any black who could catch her a Murray cod.
[Aus]D. Niland Call Me When the Cross Turns Over (1958) 30: He poured himself nobbler after nobbler and drank them straight.
[UK]D. Davin Breathing Spaces 81: There were two full whisky nobblers.
[NZ] (ref. to mid-19C) McGill Dict. of Kiwi Sl. 76/2: nobbler mid-C19 dram of any alcoholic spirit, usually gin, whisky, rum or brandy.
[NZ]McGill Reed Dict. of N.Z. Sl. [as cit. 1988].

In derivatives

nobblerize (v.)

(Aus.) to drink spirits, usu. as part of a group.

[Aus]Bell’s Life in Sydney 2 Feb. 2/7: He was never happy unless Vickery was [...] nobblerising with him.
[Aus]J. Rogers New Rush 51: And oft a duffer-dealing digger there / Will nobblerize in jerks of small despair.
[Aus]A.J. Boyd Old Colonials 268: The institution of ‘nobblerising’ is carried out in far different places.
[Aus]G.H. Lawson Dict. of Aus. Words And Terms [Internet] NOBBLERISE—To drink frequently.
[Aus]G.W. Turner Eng. Lang. in Aus. and N.Z. 103: To nobblerize was to consume a nobbler.