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

Fact: Benedict Cumberbatch loves Beyoncé.

Benedict Cumberbatch does a 'lil bit of the 'Single Ladies' dance in this interview for Buzzfeed, which also features Tilda Swinton and some 'strange' lines of questioning.

Watch the interview below...