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CD9

Meaning Parents are watching
Type Abbreviation
Rank ★ ☆ ☆  Uncommon
Usage Online Only (chat, messaging, e-mail)
Comments

CD9 is used in online chat to let the other user know parents may be watching your computer. It is a variation of 9, which means the same thing.

Updated July 15, 2009
Information from PC.net
https://pc.net/slang/meaning/cd9
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