Green’s Dictionary of Slang

1. (Aus.) to punch.

1895

Truth (Sydney) 13 Jan. 5/6: The constable crept up with the fugitive and [...] ‘dominoed’ him with his first seveal times until the young fellow cried bitterly for mercy.

2. (Aus.) to kill.

1919		W.H. Downing Digger Dialects 20: domino (vb.) — To kill.
1924		(con. WWI) A.G. Pretty Gloss. of Sl. [...] in the A.I.F. 1921–1924 (rev. t/s) n.p.: domino. To kill; to knock out.
1954		(con. 1940s) T.A.G. Hungerford Sowers of the Wind 27: We could all be dominoed and chucked into a sewer.

3. (US black) to stop.

1953

L. Durst Jives of Dr. Hepcat (1989) 5: And Prof, when we do this you can domino because it will be the lick.