firehouse primary
n.— «It can also be argued that Tuesday’s results were just another quirky anomaly in Michigan politics, like…Jesse Jackson’s stunning performance in the 1988 Democratic “firehouse” primary.» —“Ask For Whom the Bellwether Tolls” by Scott Hogenson Cybercast News Service Feb. 23, 2000. (source: Double-Tongued Dictionary)
Further reading
Stunt performers in movies have their own jargon for talking about their dangerous work. In New York City, the slang term brick means “cold,” and dumb brick means “really cold.” Plus: the East and Central African tradition...
In the late 1800s, waitresses at the Harvey House chain of restaurants at railroad stops across the American West employed a cup code. One server would ask customers about their preferred beverages, then briskly arrange their cups on the table...