To do particulary well in an event, race or competition, or just to do something right. Only to be said by one who plays a lot of Call of Duty: World at War or is exposed to it a lot.
1) Commentator: Usain Bolt wins the race!
Me at home: Outstanding Marines!
2) Teacher: Jimmy, you won the colouring competition!
Little brother of CoD Nerd: Outstanding Marines!
3) Reznov: They come for our blood, but drown in their own!
My friends in my Call of Duty party: Outstanding Marines!