dead-man brake
n.— «Cars have been built with brake pedals.…We have built-in hand-braking controls and so-called “dead-man” brake controls.» —“Suggestion for Relocation Of Accelerator Shows Many Plans Tried” by Herbert Chase New York Times Aug. 3, 1941. (source: Double-Tongued Dictionary)
Further reading
Chase from Jacksonville, Florida, grew up in Sacramento, California, where kids played Rochambeau instead of rock, paper, scissors. Why the difference in names? Nobody knows. Folklorists call this a choosing game, and while the hand-game itself...
If you work in tech support, you might use snarky slang for problems caused by computer users themselves. There’s the acronym PEBCAK, for example, which stands for Problem Exists Between Chair and Keyboard. And: a lush poem about the sea inspired by...