"A new form of protest against the government is rocking Iran: a viral dance craze set to an upbeat folk song where crowds clap and chant the rhythmic chorus, 'oh, oh, oh, oh.'"

"In cities across Iran men and women of all ages are gyrating their hips, swirling their arms in the air, and chanting the song’s catchy lines, according to videos posted on social media, television news channels like BBC Persian and Iranians interviewed. People are dancing on the streets, in shops, at sport stadiums, in classrooms, malls, restaurants, gyms, parties and everywhere else they congregate. In Tehran traffic was stopped in a major highway tunnel for an impromptu dance party to the song. Young women,hair uncovered and flowing, dance in parks and young men performed a choreographed hip-hop dance.... It all started with an old man at a fish market in the northern city of Rasht in late November. Dressed in a white suit the man, Sadegh Bana Motejaded, 70, who owns a small market stall energetically swayed and bopped...."

From "A Viral Dance and ‘Happiness Campaign’ Frustrates Iran’s Clerics/It all started when a 70-year-old fish market stall owner nicknamed 'Booghy' was grooving in public, in violation of Iranian law" (NYT).