Definitions of twitter tags - hashtag directory

Ever seen a hashtag on Twitter, and wondered what it is all about? Now you can look it up, and cast your vote on the definitions. And if you don't like the definitions, or none exists, you can create your own in seconds.

You can ask tagdef directly on twitter, by sending a message in the format @tagdef define #hashtag and we will respond with a definition and link to the full page. To add a definition via Twitter, use the format @tagdef define #hashtag as this and that, don't forget the "as" keyword.

Integrate with tagdef via the API, and follow @tagdef for updates on popular tags. Get automatic explanation of tags in Google Wave with the tag definition wave robot, by adding tagdef@appspot.com to your contacts and waves.