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

Watch: Bleachers perform 'Modern Girl' live on The Tonight Show.

| by Shahlin Graves

Bleachers appeared on The Tonight Show Starring Jimmy Fallon for their debut performance of new single, 'Modern Girl' - the first single from Jack Antonoff's upcoming fourth Bleachers album.

Watch the performance below, as well as an interview with Antonoff...