jump-out
n.— «The young Nebraskans were particularly fascinated and curious about the “jump-outs” that DC police conduct twice each week, in which undercover officers attempt to buy drugs from young people who fit the profile of a drug dealer.» —“Teens Learn Their Rights in an Advanced HIPP Session” by American Friends Service Committee-Middle Atlantic Region MARStar Summer, 2003. (source: Double-Tongued Dictionary)
Further reading
A ballicater is a jagged wall of ice that forms on a frigid shore when pans of ice catch on rocks and slush freezes over them. A Canadian woman who grew up in Newfoundland says she’s warned never to go near one. Ballicater, spelled several ways...
What’s up with ketchup? The shifting history and spelling of the name of this condiment. For centuries, ketchup was a fishy sauce originating in Asia—the tomatoes came only later! Plus, a new book shows what’s lost when a language dies: when there...