An abbreviation that is widely used in gaming, texting and chat, and on Facebook and elsewhere on the internet, but what does MMO mean in slang?
Most Common MMO Meaning
MMO stands for Massively Multiplayer Online.
MMO is used to refer to an online game, which is capable of supporting large numbers of players simultaneously.
If there was an MMO as good as World of Warcraft with next-gen graphics, I don’t think I’d ever go outside again.
Alternative MMO Meanings
What Does MMO Mean?
Massively Multiplayer Online.