All right! A favourite expression among thieves, to signify that all is as they wish, or proper for their purpose. All right, hand down the jemmy; every thing is in proper order, give me the crow.
Definition taken from The 1811 Dictionary of the Vulgar Tongue, originally by Francis Grose.
Rigging * RigmaroleNathan Bailey's 1736 Dictionary of canting and thieving slang
John S. Farmer's collection of canting songs and slang rhymes