Green’s Dictionary of Slang

(Aus./N.Z.) drunk.

1908		Bulletin (Sydney) 19 Nov. 11/1: What if a strange old man / Fell on your neck and blinked, / So that those present cried: / ‘Y’r ’Onor, he is inked.’ / Would nothing dawn on you? / Wouldn’t the fact be clear / That ‘he is inked’ is tant– / Amount to ‘he’s in beer’.
1913		Sport (Adelaide) 25 Jan. 11/1: They Say [...] That Andrew J. doesn’t want to sing Scotch songs when he gets inked up.
1918		Aussie (France) VIII Oct. 11/2: [cartoon caption] Digger (rescued by cobbers in an inked condition): ‘Hey, cobber – hic – ’old on a bit and I’ll get off – hic – and give yer a ’and.’.
1929		A.R.D. Fairburn letter in Edmond Letters (1981) 29 Dec. 15: I mean to get you well and truly inked on Monday morning my boy. You wait.
1930		North. Territory Times (Darwin) 11 July 7/3: You’re Drunk! [...] in the language of the classics you are well and truly inked.
1935		A.J. Pollock Und. Speaks.
1945		Baker Aus. Lang. 166: A man who is drunk is said to be [...] inked, inkypoo [...].
1955		N. Pulliam I Travelled a Lonely Land (1957) 234/2: inked – drunk.