SIM
1. What does SIM stand for in emails?
Subject is message
Example
"SIM: Great definition of SIM"
Unfortunately, SIM emails are not often juicy
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Usage
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Last Updated: December 18, 2020
2. What does SIM stand for?
Shoot, it's Monday
CensoredAn acronym stated by a person that forgot something he or she has to do on Monday.
Example
"SIM, I forgot to take out the trash!"
Related Slang
Usage
Last Updated: June 4, 2014
How well do you know your texting slang?
In emails, SIM stands for "subject is message." An email's subject line starts with this acronym when the sender has fit their entire message into the subject line. If you receive an email whose subject starts with SIM, you likely do not need to open it, as it should not contain any body text.
For example, the following SIM emails would likely include no body text:
SIM is similar to the acronym SSIA, which stands for "subject says it all" and may also appear in emails and online forums. Often, when you receive a SIM or SSIA email, there's NNTR.