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

Recent Examples on the Web

This modern marvel has been a staple for busy home cooks for decades, transforming from astronaut food into a fluffy side dish in a flash. —Jesse Szewczyk, Bon Appétit, 7 Sep. 2024

And then everything shifts, in a flash of time that can’t be reeled back. —Stephanie Zacharek, TIME, 9 Aug. 2024

The two weeks that came and seemingly went by in a flash brought us a number of incredible athletic feats, Black Girl Magic moments, eye candy, and plenty of opportunities to watch American athletes stand atop the podium. —Victoria Uwumarogie, Essence, 12 Aug. 2024

The actor will play his final performance in the hit musical on Sunday, Sept. 1 Comments Grant Gustin's time in Broadway's Water for Elephants will be gone in a flash. —Grant Gustin and Dave Quinn, Peoplemag, 9 Aug. 2024