Flashing your vehicle lights to warn other drivers of upcoming police speed traps.
A nice gesture so that other drivers don't have to pay speeding fines.
A reminder for people to slow down while driving.
Note: If ya get the signal just smile and wave back :)
Good thing that guy gave me the flash warning otherwise I would have been out $150.
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a term used on social media for posts that contain flashing lights or flashing pictures and is used as a warning for people who can't handle it or who have mental illnesses because it could trigger seizures for them etc..
*sees a post*
the caption reads : flash warning!!
*quickly clicks off*
you : oh thank god i could have had a seizure
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