New dances come and go. In rare cases do they they have the ability to sweep a nation off it's feet, making sense to classify it as a movement. Sierra Leone's Bajah and The Dry Eye Crew brought new steps they call "Jacky Jacky" to Brooklyn's repertoire last weekend to OkayAfrica's party in Prospect Park. Anyone can really do it—no tutorials from kids, just do whatever the next person is doing to the aggressive beat and you'll fit right in. The video for "Jacky Jacky," is look into Tokeh, a seaside village south of Freetown, Sierra Leone where the dance craze originates. It's funny, in a silly way because of the editing making it the funniest collection of .gif images to a song you'll know all summer long.