C9

What does c9 mean?

Parent in room

C9 is a term that stands for "Code 9," which means that parents are in the room and may be watching the computer screen. It is similar to the CD9 acronym, which also means that a parent is in the room.

The code is typically used in online chat but is also used in text messaging, as well. The origin of the code is unknown.

Example

Hey, how's it going?
c9...pretty good tho
C9 means
C9 means Parent in room

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Updated October 25, 2017

C9 definition by Slang.net

This page explains what the slang term "C9" means. The definition, example, and related terms listed above have been written and compiled by the Slang.net team.

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