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

Lorde hints at Solstice-related something...

As previously hinted at by some crop circle and beach formations spelling out S and P, there is a new Lorde-something on the way, and today her website has updated with a new teaser video captioned "SOLSTICE".

Are we getting a new song tomorrow?