Meaning of IM
What Does IM Mean? (Using IM Online)IM means "Instant Message".
Summary of Key Points
Definition for IMIM means "Instant Message". This is the most common definition for IM on Snapchat, WhatsApp, Facebook, and Twitter. Here is some more information about IM:
2: Quite easy to guess
Adults and Teenagers
A Text with IM
Using IM on a Cell Phone (SMS Texts, Whatsapp, and Yubl)