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TWIMC

Meaning To whom it may concern
Type Acronym
Rank ★ ★ ★  Common
Usage Online Only (chat, messaging, e-mail)
Comments

Used to address an individual when you are unsure of his or her name; using the acronym version is not recommended for formal letters.

Updated February 8, 2013
Information from PC.net
https://pc.net/slang/meaning/twimc
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