Green’s Dictionary of Slang

a house, esp. a house with a bad reputation.

1859, 1860		Hotten Dict. of Modern Sl. etc.
1873		Sl. Dict.
1935		A.J. Pollock Und. Speaks 40/2: Flea and louse, a bawdy house.
1944		Maurer & Baker ‘“Aus.” Rhyming Argot’ in AS XIX:3.
2003		B. Dark Dirty Cockney Rhy. Sl. 54: When I was a lad I use to go to the flea and louse every weekend. In the end I got Pat and Mick and my Boris Becker almost dropped off.