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

Watch: Hey Violet perform 'Guys My Age' live for Seth Meyers.

| by Shahlin Graves

Hey Violet appeared on Late Night With Seth Meyers recently to perform their single, 'Guys My Age' - the lead single from their upcoming new album.

Watch the performance below...