Among printers, a journeyman who refuses to work for legal wages; the same as the flint among taylors. See Flint.
Definition taken from The 1811 Dictionary of the Vulgar Tongue, originally by Francis Grose.
Chummage * Church WardenNathan Bailey's 1736 Dictionary of canting and thieving slang
John S. Farmer's collection of canting songs and slang rhymes