Green’s Dictionary of Slang

mill v.1

also myll
[SE mill, to grind down, to break into small parts]

1. [mid-16C–19C] (UK Und.) to steal, to rob, to break open; thus mill a ken ; [late 18C] mill a go, to succeed in a robbery or theft; [mid-18C–19C] mill a quod, to break out of prison; milling n., goods worth stealing.

2. [17C–19C] to smash, to break open, to spoil.

3. [17C+] to thrash, to fight, to overcome; to hit.

4. [late 17C–1900s] to kill, to murder.

5. [mid-18C] to consume.

In compounds

mill-ken (n.) (also milken)

[mid-17C–19C] a housebreaker.

In phrases

mill a cly (v.) [cly n. (2)]

[early 18C] (UK Und.) to pick a pocket.

mill a ken (v.) [ken n.1 ]

[mid-16C–mid-19C] (UK Und.) to rob a house.

mill someone’s glaze (v.) [fig. use of glaze n. (1)]

[late 18C–early 19C] to knock out someone’s eye.

mill the glaze (v.) [glaze n.]

[late 17C–mid-19C] (UK Und.) to break a window, esp. as a means of entering a house.