(WHIP) To run neatly along, beteeen a trot and gallop. The tits spanked it to town; the horses went merrily along all the way to town.
Definition taken from The 1811 Dictionary of the Vulgar Tongue, originally by Francis Grose.
Spangle * SpanishNathan Bailey's 1736 Dictionary of canting and thieving slang
John S. Farmer's collection of canting songs and slang rhymes