MGO

Metal Gear Online, the Online feature for Metal Gear Solid 3: Subsistence.

Wanna play Deathmatch, Team Deathmatch, Rescure, Sneaking, or Capture in MGO?

by Durango June 3, 2006

MGO

Short for "Metal Gear Online". MGO was offered for one year after the release of "Metal Gear Solid 3: Substance".

Now, MGO is back in the game "Metal Gear Solid 4: Guns of the Patriots".

Have you played MGO lately?

Yes I have, I came in number one during a Death Match.

by Robert Brunello June 15, 2008

mgo

abbreviation for massive gay orgy!

hey john, we're goin over joe's house for an mgo with farm animals!

by CHINS May 22, 2005

MGO

Money Getters Only

“oh wow its the MGO gang!”

by perc30s December 19, 2022

MGO

Multi-gaming Organisation.

My CS:GO team just got picked up by an MGO so things are looking good.

by teebcz October 22, 2017