Green’s Dictionary of Slang

1. (S.Afr. prison) difficult, problematic.

1949

H.C. Bosman Cold Stone Jug (1981) II 20: For the going is difficult they would say ‘the game is hook’. Or crook. [Ibid.] 21: Something had gone hook with the soup. (Dynamite).

2. (US black) physically attractive [the attraction is a ‘hook’].

1988

Biz Markie ‘Picking Boogers’ 🎵 She was dressed real def and her body was hook [HDAS].