Wiktionary
nudge nudge wink wink
interj. (context idiomatic English) A phrase added at the end of the sentence to hint that the speaker is referring to something else, euphemistically.
Usage examples of "nudge nudge wink wink".
And he said, 'Patti Bowen and me are working together on a hard-hitting direct-action group, nudge nudge wink wink.