sooky adjective 2noun 1forms 5 adjective2 •(Australia, slang) Complaining, whingeing, sad; jealous.Kangaroos on the other hand become even more sooky (needy for attention), when denied time outside. — 2006 •(Australia, slang) Sentimental, sissy; timid.Judging by the subject matter, Turkish soldiers are the sookiest, purse-carryingest, most sentimental nancy boys ever to put on military uniforms. — 1999 noun1 •A sook, a crybaby. formssookies · more sooky · sookier · most sooky · sookiest