(NEWSER) – A Maine high school is doing away with all dances except the "classier" prom this year, the principal announced in an open letter to parents, and "modern dance culture" lies at the heart of the move. Dating himself perhaps considerably, Gorham High School Principal Chris Record explains, "It is by no means the students' fault, but the dancing they have witnessed on MTV/VHS/movies involves primarily only sexually suggestive grinding."

For those unfamiliar with the concept, he goes on to describe grinding as "a girl having her back and buttocks pushed up/pulled up against the boy’s groin with the boy’s hands on her hips and other places." Some students complain the move is too draconian. "If there’s people grinding, kick them out," a junior tells the Portland Press Herald. "Don’t ban the whole thing."

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