Wordie

What if LibraryThing and Flickr had kids?

Wordie.

Wordie lets you make lists of words—practical lists, words you love, words you hate, whatever. See who else has listed the same words, add citations and comments, and discuss.

Slang and Profanities in other languages

The Alternative Dictionaries
Slang, profanities, insults and vulgarisms from all the world

What else is there to say really?