Tongue enough for two sets of teeth: said of a talkative person. As old as my tongue, and a little older than my teeth; a dovetail in answer to the question, How old are you? Tongue pad; a scold, or nimble-tongued person.
Definition taken from The 1811 Dictionary of the Vulgar Tongue, originally by Francis Grose.
To-morrow Come Never * TonyNathan Bailey's 1736 Dictionary of canting and thieving slang
John S. Farmer's collection of canting songs and slang rhymes