WITH HIS YELLOW PUMPS. A calf just dropped, and unable to stand, killed for veal in Scotland: the hoofs of a young calf are yellow.
Definition taken from The 1811 Dictionary of the Vulgar Tongue, originally by Francis Grose.
To Stag * Stall WhimperNathan Bailey's 1736 Dictionary of canting and thieving slang
John S. Farmer's collection of canting songs and slang rhymes