CTN

Meaning	Can't talk now
Type	Acronym
Usage	Online Only (chat, messaging, e-mail)
Rank	Common - used often
Comments	A quick way of letting someone know you are too busy to chat. May also be used in text messaging to let someone know you are currently unable to call him or her.

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Acronyms and abbreviations used in e-mail, online chat, instant messaging, and text messaging.