In 1992, Sir Mix-A-Lot's ode to big butts seemed catchy, lighthearted, silly, and fun. But if you ask the Sir himself, he'll tell you we got it all (mostly) wrong. Thirty years later, we reflect on what the song did for body image despite the track's overtly misogynistic messaging  — and how Mr. Mix gave name to an entire generation of Beckys who eventually grew up to become Karen.