A weak man, who from the desire of being the head of the company associates with low people, and pays all the reckoning.
Definition taken from The 1811 Dictionary of the Vulgar Tongue, originally by Francis Grose.
Cock and a Bull Story * Cock-a-whoopNathan Bailey's 1736 Dictionary of canting and thieving slang
John S. Farmer's collection of canting songs and slang rhymes