Nudge nudge, wink wink
Definition 1 of 1
Pro Tip 1/3Playful Teasing
This phrase is often used playfully, to imply a secret understanding between people without stating it outright. 
She mentioned she loves cooking for 'someone special' lately, nudge nudge, wink wink.
Pro Tip 2/3Not Literal
'Nudge nudge, wink wink' is not taken literally. It's a metaphorical gesture suggesting you're hinting at something. 
He spends a lot of late nights 'working', nudge nudge, wink wink.
Pro Tip 3/3Shared Secrecy
Use this phrase when you and the listener share knowledge of the innuendo or hidden meaning. 
She said she's good with her hands, nudge nudge, wink wink.