flash on
phrasal verbflash on somebody
- (US English, informal) [no passive] if something flashes on you, you suddenly realize it
- it flashes on somebody that… It flashed on me that he was the man I'd seen in the hotel.
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flash on something
- (US English, informal) to suddenly remember or think of something
- I flashed on an argument I had with my sister when we were kids.
- She flashed on the idea of writing a novel about her experiences.