Green’s Dictionary of Slang

1. an overcoat.

1674		Head Canting Academy (2nd edn).
1688		J. Shirley Triumph of Wit 214: A Coat Mish-topper.
c.1698		B.E. Dict. Canting Crew n.p.: Mish-topper c. a Coat or Petticoat.
1725		New Canting Dict. [as cit. c.1698].
1737, 1759, 1760, 1776		Bailey Universal Etym. Eng. Dict. [as cit. c.1698].
1754		Scoundrel’s Dict. 16: A Coat – Mishtopper.
1785, 1788, 1796		Grose Classical Dict. of the Vulgar Tongue.
a.1790		H.T. Potter New Dict. Cant (1795).
1809		G. Andrewes Dict. Sl. and Cant.
1811		Lex. Balatronicum.
1835		G. Kent Modern Flash Dict. 22: Misstopper – coat and petticoat.
1848		Flash Dict. in Sinks of London Laid Open.

2. a petticoat.

c.1698		B.E. Dict. Canting Crew.
1725		New Canting Dict.
1737, 1759, 1760, 1776		Bailey Universal Etym. Eng. Dict.
1785, 1788, 1796		Grose Classical Dict. of the Vulgar Tongue.
a.1790		H.T. Potter New Dict. Cant (1795) n.p.: mish topper a coat and petticoat.
1809		G. Andrewes Dict. Sl. and Cant.
1811		Lex. Balatronicum.
1823		Egan Grose’s Classical Dict. of the Vulgar Tongue.
1835		see sense 1.
1848		Flash Dict. in Sinks of London Laid Open.