Green’s Dictionary of Slang

milltog n.

a shirt.

1821		D. Haggart Autobiog. 39: A Highland farmer dressed in a blue cherry top tile, sky blue tuig, benjy and keeks. [Ibid.] 133: Few had either a mill tuig, toper, or crabs.
1823		Egan Grose’s Classical Dict. of the Vulgar Tongue n.p.: Mill Twig. A shirt. Scotch cant.
1839		H. Brandon Dict. of the Flash or Cant Lang. 164/1: Mill Tog – a shirt.
1847		G.W.M. Reynolds Mysteries of London III 85/1: A Stranger—looked like a snow-dropper. Twelve mill-togs .
1859		Hotten Dict. of Modern Sl. etc. 63: MILL-TOG, a shirt — most likely the prison garment.
1861		(con. 1840s–50s) H. Mayhew London Labour and London Poor I 217/2: I give below a vocabulary of their talk to each other: [...] Mill Tag .... A shirt.
1868		F. Henderson Six Years in the Prisons of England (2008) 61: He’ll go without a shirt, perhaps, and beg one from house to house. I have known him get thirty ‘mill-togs’ in one day.
1870		Hotten Sl. Dict. [as cit. 1859].
1881		Sydney Punch 1 Oct. 7/2: Chumpy mounts a fantail banger and a milky mill-toy [...] Mr. Chumpy, dons a black coat and white shirt.
1882		Sydney Sl. Dict. (2 edn) 10: The Parson is on the highfly in a fantail banger and a milky mill toy / The ‘Parson’ is begging as a poor gentleman in a long broadcloth coat and a white shirt.
1881		Dundee Courier (Scot.) 31 May. 7/6: A workhouse down in the south, where they perwides clean mill-togs to sleep in .
1884		Leics. Chron. 24 May 12/4: We can get a couple of mill tugs at the big house we passed.
1882		Sydney Sl. Dict. 10/2: The Parson is on the highfly in a fantail banger and a milky mill tog. He got the cant of togs from a shickster whose husband’s in a bone-box. He’ll gammon the swells. He touched one for an alderman the first ten minutes.
1893		P.H. Emerson Signor Lippo 48: All I get is my kip and a clean mill tog, a pair of pollies and a stoock, and what few medazas I can make out of the lodgers and needies.
1895		C. Crowe Aus. Sl. Dict. 49: Milltog, a shirt.