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SIA

Meaning Someone is around
Type Acronym
Rank ★ ★ ☆  Average
Usage Online Only (chat, messaging, e-mail)
Comments

A more stealthy alternative to POS or SOS. Means someone may be watching the computer so be careful what you type!

Updated January 13, 2014
Information from PC.net
https://pc.net/slang/meaning/sia
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