verb
blinks; blinked; blinking
to close and then open your eyes very quickly [no obj]
[no obj] :to shine with a light that goes on and off
[no obj] :to show that you are surprised or upset
[no obj] :to show weakness in an argument or disagreement :to show that you are willing to agree to or accept what someone else wants or says
before you can blink
informal :very quickly
blink back tears
or blink away tears
to prevent yourself from crying or to make your tears go away by blinking
noun
plural blinks
[count] :the act of closing and then opening your eyes very quickly :the act of blinking
in the blink of an eye
very quickly
on the blink
informal :not working properly