Green’s Dictionary of Slang

southerly buster n.

also southerly burster

1. (Aus.) the cool, gusty wind that springs up at the end of a hot day, sometimes accompanied by a shower.

[Aus]G.C. Mundy Our Antipodes I 83: The Brickfielder, or, as the Port Jackson boatmen call it, the Sútherly Búster. [Ibid.] 84: One of the greatest miseries of the Southerly Burster is [etc.].
[Aus]Sth Aus. Register (Adelaide) 19 Nov. 2/7: A southerly buster upset the boat, and five of them were drowned.
[Aus]Rockhampton Bulletin (Qld) 27 Dec. 2/3: The weather was very oppressive [...] In the afternoon a southerly buster came on.
[Aus]Sydney Morn. Herald 28 Aug. 7/6: Shortly before sunrise there was a strong ‘southerly buster’ which lasted for some time. the only inconvenience was the dust.
[Aus]Australasian 12 Aug. 302 i: You should see him with Commodore Jack out in the teeth of ‘the hard glad weather,’ when a southerly buster sweeps up the harbour [F&H].
[Aus]Clarence & Richmond Examiner (Grafton, NSW) 2 Nov. 4/5: Sydney Diary [...] A southerly buster has busted over the city and blown the streets quite clean.
[Aus]Examiner (Launceston, Tas.) 29 June 6/3: [advt.] The Southerly Buster at its height, / With wind and rain and sleet, / Is bound to give us every night / Wet clothes and cold, damp feet [...] Take a dose of never fail — Woods’ Great Peppermint Cure.
[Aus]Barrier Miner (Broken Hill, NSW) 20 Nov. 4/5: Yesterday the tenmperature [...] rose to 98 degrees in the shade, but a cool change with a ‘southerly buster’ came along in the evening.
[Aus]Argus (Melbourne) 10 Dec. 19/9: [headline] ‘Southerly Buster’ Dust, Wind and Rain.
[Aus]West. Argus (Kalgoorlie, WA) 8 Jan. 35/3: The [fishing] party were caught by a southerly buster and the launch capsized.
[Aus]Barrier Miner (Broken Hill, NSW) 5 Feb. 2/6: When Jack Gregory [...] commenced bowling against Victoria [...] he had the southerly buster behind him.
[Aus]West Australian (Perth) 9 Jan. 17: The sudden ‘southerly buster’ [...] gave yachtsmen anxious moments.
[Aus]Sun. Times (Perth) 29 Aug. 25/5: A great, angry storm was breaking, fanned to a terrible fury by the ‘southerly buster’.
[Aus]Sydney Morn. Herald 27 Dec. 4/5: A 60-mile-an-hour ‘Southerly buster’ [...] damaged tents of many holiday campers.
[NZ]McGill Reed Dict. of N.Z. Sl. 40: buster Short for a southerly buster or severe southerly storm. ANZ late C19.
[Aus]G. Gilmore Headland [ebook] It was a southerly; a southerly buster, straight up from the Antarctic; isn’t it cold?

2. a cocktail.

[Aus]Baker Popular Dict. Aus. Sl.