document updated 11 years ago, on Oct 14, 2012
Some subreddits seem to be created mainly for shock value, or perhaps to see where the Reddit staff draw the line regarding acceptable behavior.
/r/niggers
/r/picsofdeadkids
//hotrapestories
/r/RapingWomen
/r/watchpeopledie
/r/beatingtrannies
/r/SexyAbortions
/r/beatingwomen
/r/popping
/r/MorbidReality
Things taken down in ~March 2012
http://news.cnet.com/8301-1023_3-57376256-93/reddit-bans-sexually-suggestive-images-of-children/
http://www.reddit.com/r/blog/comments/pmj7f/a_necessary_change_in_policy/
/r/picsofdeadjailbait
/r/niggerjailbait
/r/teen_girls
/r/TeenGirls
/r/pro_teen_models
/r/preteen_girls
/r/JailbaitArchives
/r/JailbaitVideos
/r/TrueJailbait
/r/ChestyBait
/r/bustybait
/r/cutegirls
/r/asianjailbait
/r/JustTeens
/r/JailbaitJunkies
/r/jailbait_nospam
/r/jailbaitgw
/r/nudistbeach
/r/Purenudism
/r/teens
/r/Thenewjailbait
/r/trapbait
/r/malejailbait
/r/malejailbaitarchives
/r/lolicon
/r/shotacon
/r/assbait
/r/preteen_boys
/r/photobucketplunder
/r/AngieVarona