A "professor" sells snake oil at a carnival, or plays piano in a house of ill repute.
reference to a whore house, cat house, or other house where goods/services are offered/available that are not generally socially accepted
i saw jim lingering around that house of ill repute...
A House full of women of ill repute (hookers.)
I needed to get my freak on so I went to a house of ill repute.
Goth clothing and jewelry store in Toronto on Queen Street.
I bought a nice cuff from the House of Ill Repute a few years ago, but otherwise, the stuff they sell there is incredibly overpriced.