Green’s Dictionary of Slang

(Aus.) to hit; to render unconscious (see cite 1910).

1904		Sun. Times (Perth) 10 Jan. 1/1: He threatens to wooden out all scribes who pillory his pigskin pets.
1906		Sun. Times (Perth) 23 Sept. 4s/7: There’s me, a lady of position [...] Never took a tid between drinks an’ never woodened a bloke out with a bottle.
1910		Sun. Times (Perth) 26 June 3rd sect. 17/8: The varlet, who, on the retirement date, repeats that ‘Who’s doing it?’ legend will be woodened with Jimmy Woodser whisky.
1915		Drew & Evans Grafter (1922) 84: ‘I had, perforce, to wooden him on the back of [his head] with this stick’.
1933		Sun. Times (Perth) 20 May 45/9: Will we, who interpret you, Sousa, / Be expected to learn chucking-out, / To wooden the beer-chewing booser / With a smack on the shickersome snout?
1957		J. Hawke Follow my Dust! 174: He’ll be having the ding-bats in no time. Best thing is to wooden him with a shovel.
1968		S. Gore Holy Smoke 88: Steer clear of all these bludgers that’s goin’ around town only lookin’ for an excuse to wooden some poor coot on the noggin with a bottle and roll him for his dough.