Green’s Dictionary of Slang

a housebreaker, a burglar.

1832		Public Ledger 12 Nov. 3/3: The principal actors in criminality may be classed under the following heads: Housebreakers Cracksmen, pannymen.
1857		J. Archbold Magistrate’s Assistant (3rd edn) n.p.: Housebreakers [...] Cracksmen, pannymen.
1860		Hotten Dict. of Modern Sl. etc.
1873		Sl. Dict.
1874		Derbyshire Courier 12 Dec. 7/1: Local Flash language [...] pannymen — house breakers.
1889–90		Barrère & Leland Dict. of Sl., Jargon and Cant.
1890–1904		Farmer & Henley Sl. and Its Analogues.
1895		C. Crowe Aus. Sl. Dict. 56: Panny Men, house-breakers.