1. Copy and edit the url below:

You can change http://airg.ca to any airg url you maybe using.
Like:
http://suncell-airgchat.ca
http://globeph-airg.com
http://freeph-airg.ca
2. Change all T_UNAME in the url to the username of the person you to flood.
3. Change UR_MSG to your message.
4. Save bookmark, click and your done.

Note:
You can use %0a or %26%23x000a%3b after "&msg=" to send vertical messages.