Green’s Dictionary of Slang

(Aus./N.Z.) a coward, a crybaby.

1914		Sport (Adelaide) 14 Feb. 10/2: They Say [...] That Elsie B. would not go to the sports [...] Because Dot H. had a new dress, and Elsie did not. Poor Sook!
1930		Central Qld Herald (Rockhampton) 8 May 60/4: Tig was a balther, / Her father a shaver, / Her mother a cook, / Her brother a big ‘sook’.
1941		Baker Popular Dict. Aus. Sl. 69: Sook, a coward, a timid person.
1943		North. Times (Carnarvon, WA) 24 Sept. 2/6: Sook: a coward.
1960		J. Iggulden Storms of Summer 280: You must think I’m a damned sook to carry on the way I did.
1970		G. Greer Female Eunuch 79: She may be reviled as a cissy, a sook, a teacher’s pet.
1986		C. Bowles G’DAY 58: Little sook- tell imter stop blubbin or e'll get a right-ander.
1988		McGill Dict. of Kiwi Sl. 106/1: sook/sookie timid person, crybaby.
1991		M.B. ‘Chopper’ Read Chopper From The Inside 194: Amos smashed the lovely clock radio on the cement floor and went to his cell, the bloody sook.
1997		L. Davies Candy 242: Don’t be a sook [...] It’s not very becoming.
2003		McGill Reed Dict. of N.Z. Sl. [as cit. 1988].
2004		L. Redhead Peepshow [ebook] Then, like an enormous sook, I started crying.
2004		T. Winton ‘Immunity’ in Turning (2005) 295: I [...] got stung by a jellyfish. My father said I was a bloody sook.
2005		M.B. ‘Chopper’ Read Chopper 4 201: I’m an old sook aren’t I?
2018		R. O’Neill ‘Ocker’ in The Drover’s Wives (2019) 181: ‘No use being a big sook [...] Suck it up, princess’.
2021		C. Hammer Opal Country 268: ‘[H]e fell to pieces. Like a total fucking sook’.