Until “Whip It” hit theaters last year, talk of women’s roller derby was, well, there was no talk of women’s roller derby league. But if there were, it would most likely stir up images of tattooed misfits on skates in neon fishnets and striped knee-high socks.

“Whip It,” the intelligent and authentic directorial debut from Drew Barrymore, tackles the raucous world of women’s roller derby and adolescence without breaking a sweat.