Blink and you miss it

Meaning

So quick that it could easily be overlooked.

Usage

Used when describing fleeting moments.

Origin & History

Origins and dates here are approximate summaries. Many idioms have disputed or unknown origins, and not every date has been checked against a historical dictionary, so treat specific dates and stories as a starting point rather than a citation.

Natural reaction of blinking before missing something.

American idiom from the 20th century tv/tech world.