Green’s Dictionary of Slang

punch house n.

[house n.1 (1); orig. the provision of alcoholic punch at such establishments but underpinned by punch v. (1)]

1. [late 17C–mid-19C] a brothel, or a tavern that doubles as such.

2. [1970s] (US black) a party frequented by pimps and their women, usu. an orgy.