in a flash

idiom

informal

: very quickly or suddenly

I'll be back in a flash.

The idea came to me in a flash.

Examples of in a flash in a Sentence

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Then, in a flash, Johnson spun around to his left and fired the puck off his backhand toward Buffalo goaltender James Reimer, the puck sailing past Reimer’s mask and finding the far corner of the net. —

Aaron Portzline, The Athletic, 5 Feb. 2025 Busy Backsplashes Too much pattern and color can date your kitchen in a flash while also giving your space an unbalanced feel, says Eisenhart. —

Patricia Shannon, Southern Living, 30 Jan. 2025 The sleek tower’s initial units went on sale in January 202, starting at $300,000 for a studio, selling out in a flash. —

Madeleine Marr, Miami Herald, 28 Jan. 2025 The phase transition If that wasn’t unpleasant enough for you, consider this: Perhaps the Universe will take some weird physics to the extreme and disintegrate in a flash of energy. —

Paul Sutter, Ars Technica, 14 Jan. 2025 See all Example Sentences for in a flash