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

Watch: the 'Stranger Things' cast on BBC Radio 1.

Three of the cast members of ‘Stranger Things’ (Millie Bobby Brown, Gaten Matarazzo, and Caleb McLaughlin) are on a pretty intensive promo tour at the moment, and recently paid a visit to Nick Grimshaw on his BBC Radio 1 morning show.

They chatted about what famous people have declared their love for the show - including Daniel Radcliffe, who had been on the show a previous day.

Watch the interview in full below…