Here's a working list:
Code:
delicious.com
stumbleupon.com
reddit.com
connotea.org
furl.net
faves.com
xratedbookmarks.com
xbookmarking.com
sexexit.com
adultsocialbookmarking.com
fuddit.com
x-tagged.com
xxx-adult-bookmarks.com
porntravelling.corank.com
sexbookmarking.com
www.boobmark.us
www.indecentbookmarks.com
pornville.corank.com
onlineporncommunity.com
digxxx.com
xlinkk.com