👉 Wink: a slight, involuntary, or even jerky movement of one's facial muscles which is often associated with a smile. It can also refer to winking at someone else as in an informal way. The term comes from the Japanese word "kikakki" (which means "smile"), which was originally used to describe the act of smiling. The definition for "wink" refers to an involuntary, short, and brief expression of a smile. It is often used to communicate friendly or carefree attitudes, particularly in informal settings where it's expected but not required. The word can also be seen as a play on words like "kikakki," which means "smile."