Green’s Dictionary of Slang

bullock n.

[19C+] (Aus.) a bullock-driver.

In phrases

talk bullock (v.) [the typical vocabulary of a bullock-driver]

[mid–late 19C] (Aus./N.Z.) to use a good deal of bad language.

SE in slang uses

In compounds

bullock-puncher (n.) [var. on cow-puncher n.]

[late 19C+] (Aus.) a bullock-driver; thus bullock-punching n., working as a bullock-driver.

bullock’s blood (n.)

[1920s–70s] a mixture of strong beer and rum.

bullock’s eye (n.) [the colour]

[19C] port.

bullock wagon (n.) [bullshit n.]

[1920s+] (Aus.) nonsense, rubbish.

In phrases

bullock’s fart in a thunderstorm (n.)

[1970s] (Aus.) something insignificant.

sold like a bullock in Smithfield (adj.)

see under sold adj.