There's been a Mabination IRC for a while now, so I am now making it official.
You can access the web based IRC via the link in the navigation bar on the top of the page, or right here: Click for web chat (bookmark it for convenience)
To configure your client manually here is the information:
Here is the original thread about the IRC, you might find useful info in it.
All the standard forum rules apply.
To specify in this case, no spamming means to not flood the chat by using 1 word per message, I think there's a server-side flood prevention anyways.
Have fun chatting.