MGO

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

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

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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.

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mgo

abbreviation for massive gay orgy!

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

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MGO

Money Getters Only

“oh wow its the MGO gang!”

MGO

Multi-gaming Organisation.

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