"Queen sang, 'Fat bottomed girls, you made the rockin' world go round' back in 1978. Yet slim-hippedness reigned until hip-hop and rap brought us Sir Mix-a-Lot's seminal music video line 'I like big butts and I can not lie' in 1992, later amplified by Sisqó's 'Thong Song' and Lil' Kim's 'Shake Ya Bum Bum.'" As part of its "Sex Issue," Slate provides a slideshow tracking the role of gigantic asses filled with the kind of important cultural contextualization found above. [Slate]