twerk
v.— «An aside: there’s been a certain amount of discussion between staff and students at my daughters high school about the appropriateness of what’s called “twerking” a.k.a. “grinding” at school dances. (The rundown is students are pro-twerk, staff are anti.)» —“Election day” by Euan Kerr in Minnesota Public Radio Movie Natters Nov. 7, 2006. (source: Double-Tongued Dictionary)