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