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

Watch: '(500) Days Of Summer' viewing party with Zooey Deschanel and Joseph Gordon-Levitt.

To celebrate the ten-year anniversary of the release of '(500) Days Of Summer', Zooey Deschanel and Joseph Gordon-Levitt reunited for this viewing party video for Entertainment Weekly, with the dynamic duo dispensing insight and hot takes on the decade-old movie.