guiñar
Guiñar is a Spanish verb that describes the action of closing and opening one eyelid quickly, often as a sign of greeting, acknowledgment, or a playful signal. It is a subtle and often non-verbal form of communication. The action can be performed intentionally or involuntarily, with the latter sometimes occurring due to fatigue or dryness in the eye.
The term "guiñar" can also be used metaphorically to describe a brief or fleeting moment, such as
While the primary meaning relates to the eye, the concept of a quick, subtle signal is central