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

Watch Donald Glover and Reggie Watts jam.

While appearing on The Late Late Show with James Corden earlier this week, Donald Glover accepted an invite from Reggie Watts to improvise a funky musical jam.

There’s also dancing involved. And it’s amazing. Of course.

Watch "something sweet" unfold below...