What Does HM Mean? (Using HM Online)HM means "Thinking (as an interjection)".
Definition for HMHM means "Thinking (as an interjection)". This is the most common definition for HM on Snapchat, WhatsApp, Facebook, and Twitter. Here is some more information about HM:
|Definition:||Thinking (as an interjection)|
1: Easy to guess
Adults and Teenagers
Using HM on a Cell Phone (SMS Texts, Whatsapp, and Yubl)