Definition of "in a flash" []

• Instantaneous, very quick, in a very short amount of time. (adjective)
• Very quickly (adverb)

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• "He was one of the first pair of scouts on Boohte, "he explained to Ev." Got caught in a flash flood and swept smack into a hill."
• "You could tell in a flash it was superbly designed for its purpose, a thin ridge running each side of the gently curving blade, reaching the tip—kissaki, he knew it to be called."
• "Images flooded his mind, a violent, churning current of sensory detail that his llygad-trained mind was able to channel and process without tumbling beneath the surface like a hiker swept up in a flash flood."