To skink, is to wait on the company, ring the bell, stir the fire, and snuff the candles; the duty of the youngest officer in the military mess. See Boots.
Definition taken from The 1811 Dictionary of the Vulgar Tongue, originally by Francis Grose.
Skin Flint * SkinsNathan Bailey's 1736 Dictionary of canting and thieving slang
John S. Farmer's collection of canting songs and slang rhymes