To brag, boast, or triumph. To crow over any one; to keep him in subjection: an image drawn from a cock, who crows over a vanquished enemy. To pluck a crow; to reprove any one for a fault committed, to settle a dispute. To strut like a crow in a gutter; to walk proudly, or with an air of consequence.
Definition taken from The 1811 Dictionary of the Vulgar Tongue, originally by Francis Grose.
Cross Patch * CrowdNathan Bailey's 1736 Dictionary of canting and thieving slang
John S. Farmer's collection of canting songs and slang rhymes