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flash for cash

(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 sue

ˈflæʃ ˈfɔɹ ˈkæʃ123 viewsLast reviewed Jun 29, 2026+ Add a definition
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UK
#1·Apr 27, 2026UK

(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.

Origin: 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. Origin information sourced from Wiktionary contributors (CC BY-SA 4.0).
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UK
#2·Apr 27, 2026UK

(AU, informal, idiomatic, automotive) Pertaining to speed cameras.

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