Wink murder: is the lascivious gesture dying a death?

When the Trumps came to tea, the Duchesss of Cornwall winked, and people were amused. But is such an exclusionary gesture still OK? When the Trumps went to Clarence House for tea on the first day of their recent state visit to the UK, the Duchess of Cornwall performed (if that is the right word) The novel is set in the 70s, which was a lascivious decade, therefore well stocked with that sort of winker, but the main thing was to set the novel in the past. It seems to me that winking belongs in the past partly because society is increasingly informal, and the winker needs formality in order to have something to undermine. There would be no point …