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

Watch: Khalid performs 'Young Dumb & Broke' live on The Late Show.

Ahead of his upcoming debut New Zealand show next month in Auckland, Khalid appeared on The Late Show with Stephen Colbert tonight to perform his hit single, 'Young Dumb & Broke'.

Watch the performance below...