A liquor store that is allowed to operate 24/7 because it is not legally a place of business but instead is considered a residence.
Lady 1: You wanna go grab some booze from the spot on main street after work?
Lady 2: We can't do that, we work the night shift so the liquor store won't be open.
Lady 1: Nah, don't worry. The guy who owns the place has a bed in there so it's a liquor house. Not a liquor store.
A house in the hood that is used for gambling, selling drugs, house parties or other things of that nature. Phrase is most commonly used in the south
Me and D are headed over to the liquor house after work to play some spades and get drunk