A nickname for a man with bandy legs. He buys his boots in Crooked Lane, and his stockings in Bandy-legged Walk; his legs grew in the night, therefore could not see to grow straight; jeering sayings of men with crooked legs.
Definition taken from The 1811 Dictionary of the Vulgar Tongue, originally by Francis Grose.
Crook Your Elbow * CropNathan Bailey's 1736 Dictionary of canting and thieving slang
John S. Farmer's collection of canting songs and slang rhymes