before (one) can blink

(redirected from before you could blink)

before (one) can blink

Very quickly or suddenly. I'm not far from your house, so I'll be there before you can blink. Before I could blink, a deer darted out in front of my car, and I had to slam on my brakes.
See also: before, blink, can
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
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