Adult content is pervasive on the Web, has been a driving factor in the adoption of the Internet medium, and is responsible for a significant fraction of traffic and revenues, yet rarely attracts attention in research. The scientific community has spent considerable energy studying user-generated content and information access on the Web, to the exclusion of adult content. This is understandable, as the topic is distasteful to some, and requires special legal and ethical considerations when asking employees, contractors and students to analyze and process the data.