
A nod and a wink
Secretive Communication
Used when someone wants to communicate secretly or show agreement without using explicit words.

The committee chair gave me a nod and a wink, signaling I should stay quiet about the decision.
Implicit Understanding
Implies that both parties understand the hidden meaning without needing further explanation.

I mentioned the surprise party with a nod and a wink; everyone knew to keep it a secret.
Non-verbal Cue
Can be used to describe an actual gesture or used figuratively to describe a subtle sign.

After a nod and a wink from the coach, the player faked a left turn and passed the ball.
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