1905 Truth (Salt Lake City, UT) 19 Apr. 1/2: The so-called ‘American’ party is in the position of ‘flagging a political gut wagon that drives through the red light district of the city’.at gut-wagon (n.) under gut, n.
1908 Truth (Salt Lake City, UT) 17 Oct. 6/2: This dead man had been one of the steady rounders of the tenderloin. He had been a frequenter of this and other ‘parlor houses’.at parlor house (n.) under parlor, n.