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

Watch Wallows and Clairo perform 'Are You Bored Yet?' together live.

At their Shaky Knees festival side-show in Atlanta this weekend, Wallows were joined on-stage by Clairo to perform their song 'Are You Bored Yet?' live together for the very first time.

Watch fan-filmed clips of the performance below...