purple
adj.— «Operation Purple is the only summer camp program that focuses on helping kids deal with deployment-related issues and is open to children of personnel from all branches of the U.S. Armed Forces (“purple” is a military term representing inclusion of all branches)» —“Nationwide Registration for Operation Purple Summer Camps Begins April 15″ PR Newswire Apr. 7, 2005. (source: Double-Tongued Dictionary)
Further reading
Cat hair may be something you brush off, but cat hair is also a slang term that means “money.” In the same way, cat beer isn’t alcoholic — some people use cat beer as a joking term for “milk.” And imagine walking on a...
Loretta in Shreveport, Louisiana, wants to know what lexical and dialectal clues linguists look for when guessing where someone is from. She also wonders: Do people with long careers in the military or who grew up in a military family have a...