coup de main - noun
kü-də-ˈmaⁿ
Definition of coup de main : an attack that achieves complete surprise.

Harry Styles launches new song 'Adore You' with a tourism campaign for the island of Eroda.

To promote his upcoming new single 'Adore You' (out December 6th), Harry Styles has unleashed a viral marketing campaign which centres around the fictional isle of Eroda - i.e. adore spelt backwards.

Looks like we're going to get a scenic Scottish music video:

And there's this ad which has been spotted playing in cinemas:

And this ad online:

Learn more about Eroda here.