Mother actually turned her back on that sheep and began dabbling her hand in the milk, saying, “Sook, calfy, sook, calfy!” seductively while the calf gave her the evil eue and walked backward.1919, Strickland Gillilan, A Sample Case of Humor, page 47:
Sook calf, sook calf, sook calfie, Sook calf, sook calf! […]1947, John Avery Lomax, Adventures of a Ballad Hunter, page 265, “You get outside the cowlot gate and start calling like this
Etymology Probably from dialectal suck as is Etymology 1 above. Compare 19th century British slang sock (“overgrown baby”), British dialect suckerel (“suckling foal, unweaned child”), Canadian suck (“crybaby”), Canadian suck (“sycophant”). From 1933.
You must think I'm a sook, hey? Here I am complaining about my dad's job and my curfew and your dad cheated on your mum. You put things into perspective for me.2006, Randa Abdel-Fattah, Ten Things I Hate About Me, unnumbered page:
2 more examples
‘What a sook! Look at her cry!’ ‘Yeah, look at the Abo cry!’2007, Jan Teagle Kapetas, “Lubra Lips, Lubra Lips: Reflections on my Face”, in Maureen Perkins, editor, Visibly Different: Face, Place and Race in Australia, page 31:
Only sooks ask guides how far there is to go.2008, Kieran Kelly, Aspiring: Mountain climbing is no cure for middle age, Pan MacMillan Australia, page 233:
I was so upset that I went home and had a sook about it.
‘Have a sook! Have a sook!’, they'd all yell. But that time I didn't go outside to cry.2002, June Duncan Owen, Mixed Matches: Interracial Marriage in Australia, University of New South Wales Press, page 87:
Etymology Unknown origin. From Chesapeake Bay, attested as early as 1948.
1
US A mature female Chesapeake Bay blue crab (Callinectes sapidus).
Eastern shore of Maryland
The life cycle of the crab in the bay causes a preponderance of adult males (jimmy crabs) to occur in the waters of the upper bay while conversely a concentration of adult females (sook crabs) occurs in the more saline waters near the mouth of the bay (table 2).1948, John Cleary Pearson, Fluctuations in the Abundance of the Blue Crab in Chesapeake Bay, U.S. Fish and Wildlife Service, page 4: