Findings:

• chatter bot
• Chatter
• Project Chatter
• Catbox - Windows chatter client
• I felt the heat and cold of the microwave chatter in the air around me
• Chatter mark
• Idle Chatter
• chatter (user)
• Chatter in the Box (e2poll)
• unimportant
• the list is not an unimportant thing

If you Log in you could create a "unimportant chatter" node. If you don't already have an account, you can register here.