Meaning of DNO
What Does DNO Mean? (Using DNO Online)DNO means "Don't Know".
Summary of Key Points
Definition for DNODNO means "Don't Know". This is the most common definition for DNO on Snapchat, WhatsApp, Facebook, and Twitter. Here is some more information about DNO:
2: Quite easy to guess
Adults and Teenagers
A Text with DNO
Using DNO on a Cell Phone (SMS Texts, Whatsapp, and Yubl)