flash for cash

== English == === Etymology === First sense drives from the UK practice of flashing lights at another car to indicate they can proceed, + cash. Second sense derives from the flash of the camera's light. === Pronunciation === === Adjective === flash for cash (not comparable) (UK, informal, idiomatic, automotive) Pertaining to a scam where a motorist flashes their headlights to indicate to another driver to proceed against normal give-way rules, then runs into them and sues for damages. (Australia, informal, idiomatic, automotive) Pertaining to speed cameras. ==== Related terms ==== flash the cash