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

Watch Haim surprise their High School teacher.

In a video released in collaboration with the California Lottery to help #ThankATeacher, Haim paid a visit to their old High School to see their old teacher, Mr Freedman.

True fact: Haim > a cruise.

Watch the adorableness unfold below…