The list that drove the internet (and feminists by proxy) crazy. When first posted, Urban Dictionary users sent their own "definitions" both agreeing and disagreeing with the 50 Facts About Women. As the users submitted, a significant flame war broke out. Luckily, once Urban Dictionary reformed its moderation and administrative teams, the flames stopped, and peace, for the most part, was restored.
To this day, user IrishRepublicanArmy has attained both fame and notoriety from his defintion "50 Facts about Women."