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

Watch: Taylor Swift trying to run on a treadmill.

Taylor Swift features in a new ad for Apple Music, where she tries to multitask running on a treadmill and rapping Drake's verse from his collab with Future, 'Jumpman'.

Let's just say it doesn't go to plan.

Watch the ad below…