WITH NIX THE BUFFER. This rig consists in feeding a man and a dog for nothing, and is carried on thus: Three men, one of who pretends to be sick and unable to eat, go to a public house: the two well men make a bargain with the landlord for their dinner, and when he is out of sight, feed their pretended sick companion and dog gratis.
Definition taken from The 1811 Dictionary of the Vulgar Tongue, originally by Francis Grose.
Hoof * Hookee WalkerNathan Bailey's 1736 Dictionary of canting and thieving slang
John S. Farmer's collection of canting songs and slang rhymes