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