Green’s Dictionary of Slang

(UK Und.) a surgeon or physician, esp. a specialist in venereal diseases.

c.1698		B.E. Dict. Canting Crew n.p.: Nim-gimmer, c. a Doctor, Surgeon, or Apothecary, or any one that cures a Clap or the Pox.
1719		A. Smith Lives of Most Notorious Highway-men, etc. (1926) II.
1725		New Canting Dict. [as cit. c.1698].
1737, 1759, 1760, 1776		Bailey Universal Etym. Eng. Dict. [as cit. c.1698].
c.1750–1882		B.M. Carew Life and Adventures.
1785, 1788, 1796		Grose Classical Dict. of the Vulgar Tongue.
1811		Lex. Balatronicum.
1823		Egan Grose’s Classical Dict. of the Vulgar Tongue.
c.1850		Duncombe New and Improved Flash Dict.