http://www.reddit.com/r/picsofdeadpuppies
http://www.reddit.com/r/spacedicks
http://www.reddit.com/r/spaceclops
http://www.reddit.com/r/beatingwomen
http://www.reddit.com/r/eatingwomen
http://www.reddit.com/r/popping
http://www.reddit.com/r/BaguettesInButts --actually pretty funny.
once i decided to see how deep the rabbit hole goes, once. reddit has some awesome shit, but it also has/had cp, bestiality, rape and other fucked up subreddits.
http://www.reddit.com/r/4chan is fucking hilarious though.
edit*; the top comment on this post shows how bad it can get