What Does HI5 Mean? (Using HI5 Online)HI5 means "Social Networking Site".
Definition for HI5HI5 means "Social Networking Site". This is the most common definition for HI5 on Snapchat, WhatsApp, Facebook, and Twitter. Here is some more information about HI5:
|Definition:||Social Networking Site|
Adults and Teenagers
Using HI5 on a Cell Phone (SMS Texts, Whatsapp, and Yubl)