UBIQUITY This L.A. crew’s flabbergastingly catchy track was huge in California last summer, and it’s become something like the twerking national anthem.
LONGEVITY FiNATTiCZ recorded “Don’t Drop That Thun Thun!” in 2009, but it didn’t hit the national chart until this summer.
SOCIAL POWER For a week or two in late July, it seemed like every video on Vine was a “Thun Thun” joke.
ROOTS It’s built on the hip-hop subgenre called ratchet. (See also: Sage the Gemini’s underground summer hit “Red Nose.”)
CONTROVERSY “Thun thun” is yet another nickname for ecstasy.