Meaning of NI
What Does NI Mean? (Using NI Online)NI means "No Idea".
Summary of Key Points
Definition for NINI means "No Idea". This is the most common definition for NI on Snapchat, WhatsApp, Facebook, and Twitter. Here is some more information about NI:
2: Quite easy to guess
Adults and Teenagers
A Text with NI
Using NI on a Cell Phone (SMS Texts, Whatsapp, and Yubl)