Green’s Dictionary of Slang

crook v.2

[crook adj. (2)]

(Aus.) to ruin, to render useless.

[Aus]Bulletin (Sydney) 29 Nov. 31/1: ‘Out of quod, blokey!’ / ‘Yes, Josser! Lend us a few bob.’ / ‘Strike me --- blind! Is that wot you take a bloke from a winning seat for? Y’ve got a blanky face on yer! But I’ll put you on to a crook ----’ / ‘I’m going square,’ said Mick, weakly. / ‘Oh, Hell! Go to the bloomin’ Harmy! I ain’t got nothing for your sort. And you’ve crooked my luck, too, blast yer!’.