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CD99

Meaning Parents are no longer watching
Type Abbreviation
Rank ★ ☆ ☆  Uncommon
Usage Online Only (chat, messaging, e-mail)
Comments

CD99 is used in online chat sessions to let the recipient know that the sender's parents are no longer watching his or her computer. It is a variation of 99 and is typically used after typing CD9.

Updated July 15, 2009
Information from PC.net
https://pc.net/slang/meaning/cd99
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