1823 P. Egan (at cited word) Mucked out, lost all the cash.
1846 ‘Lord Chief Baron’ (new ed.) 49 He got mugged by her man in the morning, copped the tinny, and scarpered from the ken clean mucked out.
1994 K. Ross 133 ‘How mucked out is he?’ ‘I don't know. But he's looking to sell one of his favourite hunters.’