CD9
Shorthand for Code 9, CD9 is often used in chat rooms as a code to alert other users that a parent or another adult such as a teacher is in the room.
- Top 10 terms every parent should know.
- Protecting children from harmful material and people on the Internet.
Also see: Chat definitions, FOS, MOS, P911, PAW, PIR, POS, PRW, TOS
