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

Mumford & Sons + Jimmy Kimmel = MumTown.

Whilst on Jimmy Kimmel Live recently, Mumford & Sons revealed that back in the 90s they used to be in a boyband together with Jimmy Kimmel called... MumTown.

"How can a heart have knees?"

Watch the skit/documentary below...