whorehouse, n. — Green’s Dictionary of Slang

whorehouse n.

(N.Z. prison) a prison (in women’s prison sl.) [‘[F]rom the perception that most brothels are like Mount Eden Women’s Prison, “with a lot of concrete, and not a lot of lights” ’ Looser (2001)].

2001

D. Looser Boobslang [U. Canterbury D.Phil. thesis] 203/1: whorehouse n. 1 a prison .

In compounds

whorehouse broad (n.) (also whorehouse girl, ...woman)

(US black) a prostitute who works in a brothel rather than on the streets [broad n.² (2)].

1972		Milner & Milner Black Players.
1991		D. Parkinson Drifter’s Luck 96: Ever since you set eyes on that whorehouse woman in Waxahachie, you can’t stick to a notion long enough to see it out.
2002		S. Sills Corpus of a Siam Mosquito 🌐 This whore was and was not his typical whorehouse girl.
2007		J. Stillerman Yankee Doodle Boychik Grows Up 95: This is no whorehouse broad. This is my girl. Clean as a whistle.