The Harlem Shake is a new trend that has gone viral. The song is “Harlem Shake” by Baauer.

1: One person moving (usually with a hilarious outfit).

2: Everyone going wild. Each person, or group is doing something different.

3: Fade out with slow motion and a growl.

An example from our friends at HubSpot:

EDIT (October 1, 2015): The CTA was removed from this post, as we migrated to a new design.