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

Watch: Kacey Musgraves performs 'Slow Burn' & 'High Horse' live on SNL.

Kacey Musgraves was the musical guest on this weekend's episode of Saturday Night Live, performing new album songs 'Slow Burn' and 'High Horse', with an introduction from Amy Schumer.

Watch both performances below...