(winks, winking, winked)
1.
When you wink at someone, you look towards them and close one eye very briefly, usually as a signal that something is a joke or a secret.
Brian winked at his bride-to-be...
VERB: V at n
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Wink is also a noun.
I gave her a wink.
N-COUNT: usu sing
2.
If you say that you did not sleep a wink or did not get a wink of sleep, you mean that you tried to go to sleep but could not. (INFORMAL)
I didn't get a wink of sleep on the aeroplane.
PHRASE: V inflects