Green’s Dictionary of Slang

1. (Aus., also googie) an egg.

1901		Sydney Sportsman (Surry Hills, NSW) 4 Sept. 1/5: ’Cause they killed the goose, you know. / Goose that layed the golden googies .
1941		Baker Popular Dict. Aus. Sl. 32: Goog, an egg.
1946		Sun (Sydney) 13 Oct. 15/1: The plats are half cow and half brown snake, like, because they feed their nippers on the Truby King system but they trot ’em out inside googs.
1952		Truth (Brisbane) 7 Dec. 21/3: ‘Googie’ [is] Australian slang for ‘egg’.
1959		D. Niland Big Smoke 91: ‘Hey, Spider, he likes them googs. Where’s another?’ Mr. Halley stopped his third egg.
1968		S. Gore Holy Smoke 13: A man ’d be fried like a goog sunny side up in that outfit.
1972		G.W. Turner Eng. Lang. in Aus. and N.Z. 108: Some very common Australianisms [...] goog ‘egg’.
1986		C. Bowles G’DAY 75: Some kids still ask for googies — boiled, fried or scrambled — for breakfast.
1988		McGill Dict. of Kiwi Sl. 52/2: goog an antipodean egg, often a boiled one; probably from a toddler attempt, or a contraction of ‘good egg’.
1996		J. Byrell Lairs, Urgers & Coat-Tuggers 212: For a while there things got a bit brittle when McQuillan and wife had a minor set-to after she’d overdone his fried googies.
2003		McGill Reed Dict. of N.Z. Sl. [as cit. 1988].

2. (Aus., also googie) a guinea.

1900		Sydney Sportsman (Surry Hills, NSW) 17 Oct. 1/3: [He] flopped a couple of googies into the capacious bag of Bob Wallace.
1904		Sydney Sportsman (Surry Hills, NSW) 30 Mar. 3/6: [T]he fly flat threw in his five golden googies.
1910		Sun. Times (Perth) 20 Mar. 2nd sect. 15/5: Mulcahy offered a reward of a bright golden ‘googy’ to anyone who would recover the green flag.

3. (also googy) a fool; also attrib. [link to goo-goo n.⁴ ].

1908		Sun. Times (Perth) 28 June 1/1: The publican who recites ‘The Boy Who Stood’ is going for the googies.
1911		Chicago Daily Trib. 12 Mar. 11: How many years in the state stoneyard, making little ’uns out of big ’uns, should be imposed on any goog of the shaving lather legion who strides through a hotel corridor with a corsage bouquet on his waistcoat lapel?
1975		L. Rosten Dear ‘Herm’ 147: Sos he can talk googy-talk to his pet grandchild.
1988		McGill Dict. of Kiwi Sl. 52/2: goog [...] an idiot.
2003		McGill Reed Dict. of N.Z. Sl. [as cit. 1988].