Meaning of JM
What Does JM Mean? (Using JM Online)JM means "Just Messing".
Summary of Key Points
Definition for JMJM means "Just Messing". This is the most common definition for JM on Snapchat, WhatsApp, Facebook, and Twitter. Here is some more information about JM:
4: Difficult to guess
Adults and Teenagers
A Text with JM
Using JM on a Cell Phone (SMS Texts, Whatsapp, and Yubl)