This site is in danger of going away; please consider the Donate link above...
Sharpers, who, during the drawing of the lottery, wait ready mounted near Guildhall, and, as soon as the first two or three numbers are drawn, which they receive from a confederate on a card, ride with them full speed to some distant insurance office, before fixed on, where there is another of the gang, commonly a decent looking woman, who takes care to be at the office before the hour of drawing: to her he secretly gives the number, which she insures for a considerable sum: thus biting the biter.
Definition taken from The 1811 Dictionary of the Vulgar Tongue, originally by Francis Grose.
Pigeon * Pigeon’s MilkNathan Bailey's 1736 Dictionary of canting and thieving slang
John S. Farmer's collection of canting songs and slang rhymes
Buy a modern reprint of this book from Amazon CA; US;
Francis Grose was independently wealthy, having inherited money from his father, a jeweller. Finding himself overspending, he published a number of books; his Provincial Glossary seems to have been the starting-point for the Vulgar Tongue reproduced here.