Simple past tense and past participle of flash.(verb)
Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License
Use "flashed" in a sentence
"The word flashed like a neon beacon outside a desert oasis."
"A word flashed in his head, and he thought: Brightwell."
"A title flashed _Slave Girls From Hell_ -- then a big, high-ceilinged room with Egyptian hieroglyphics on the walls came into view in grainy black and white."