before (one) can blink

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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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