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

Sax worked tirelessly on his baseball craft, growing from a 5-foot-3, 105-pound high school freshman into a brick, relentlessly honing his skills and driven by the the fear that his career could be over in a flash. —Joe Davidson, Sacbee.com, 28 Sep. 2025

That fateful robbery, first teased in a flash-forward during the premiere, is doomed from the start. —Max Gao, HollywoodReporter, 21 Sep. 2025

At the end of the episode, in a flash forward to Barney’s wedding, Ted walked into the room with the bride, only for viewers to discover that Barney was marrying was Robin, not Quinn. —Francesca Gariano, PEOPLE, 19 Sep. 2025

Jake makes a toast to the Black Rabbit — the staff, OG investors, and devoted VIPs that make up the court of this indie–sleaze–Studio 54 castle — just in time to watch the scene shatter in a flash of nervous gunfire. —Andy Andersen, Vulture, 18 Sep. 2025

Rhymes for in a flash

• calabash
• ash
• bash
• brash
• cache
• cash
• clash
• crash
• dash
• gash
• hash
• lash