Green’s Dictionary of Slang

(orig. UK Und.) a brothel-cum-low saloon.

1859		Matsell Vocabulum.
1865		Leaves from Diary of Celebrated Burglar 138/2: Thau’s a bloody fyne cheek, tu maik a ‘goosin’ slum’ o’ mi plaice. Ger up, thau keow!
1877		Chicago Sporting Gazette 11 Aug. n.p.: The Sutherlands (Jet and Ida) who keep a ‘goosing-slum’ on North Clark Street, have not paid the $20 borrowed from a lady friend.
1895		Crowe Aus. Sl. Dict. 33: Goosing Slum, the resort of flash women.
1940		(con. late 19C) H. Asbury Gangs of Chicago (2002) 108: The Alhambra was a den of the type which the slang of the times called a ‘goosing slum’ — a small, low-ceilinged room with smelly sawdust on the floor, bad liquor behind the bar, and a few tables at which streetwalkers of the lowest class waited gloomily for someone to buy a drink or make an indecent proposal.