slot barn
n.— «House lawmakers are talking about requiring the industry to invest a set amount of money into improving their facilities, to prevent the emergence of “slot barns”—a pejorative term used to describe a place jammed wall to wall with slot machines and few outer amenities.» —“Bush aims to reel in slots” by Mary Ellen Klas Miami Herald (Florida) Mar. 10, 2005. (source: Double-Tongued Dictionary)