wink

verb (used without object)

1. to close and open one or both eyes quickly.
2. to close and open one eye quickly as a hint or signal or with some sly meaning (often followed by at): She winked at him across the room.
3. (of the eyes) to close and open thus; blink.
4. to shine with little flashes of light; twinkle: The city lights winked in the distance.