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

Watch: Kristen Stewart + Big Sean play Facebreakers with Fallon.

Kristen Stewart and Big Sean recently appeared on 'The Tonight Show Starring Jimmy Fallon' together, where they played a game of Facebreakers - which involves throwing footballs at glass faces of themselves and Jimmy.

Watch the game unfold below…