I got this.
My friend and I were attempting the MW2 Spec Ops mission wherein you must kill 10(count 'em) Juggernauts in the "Favela" level, i.e., the close-quarters, South American village. Now, my friend had figured out the brilliant strategy of running around the outside of the map in a loop, stopping at key points to fire back at the juggernauts and plant claymores. (You get a thumper and an RPG, by the way)
Now, we'd stopped at the top-right corner of the map, meaning that we were essentially in the joint of a giant "L" shape, with the juggernaut coming at us from the short part of the "L". I planted a claymore while my friend fired grenades at him. Suddenly, another one spawned and attacked from behind. My friend, improvising, mangaged to lead him off through the center of the map, leaving me to contend with the first guy.
Before I had a chance to get back, he caught up with me, and set of my claymore right in front of my face. With incredibly low health and the voice of God telling me to take cover, I desperately fired my RPG at him. Unfortunately, I was now out of ammo.(There's a reason my friend was shooting and I was using claymores) So while he recovered from the close-range rocket, I ran up and started knifing him over and over again until he died.
So, to recap, I essentially knifed a juggernaut to death.
ALSO:
In Uncharted 2's train level, at the part where the helicopter first attacks. I ended up fist-fighting a dude on top of a train car WHILE the helicopter was shooting at me WHILE a railroad crossing sign was about to kill us all. I killed the guy, ran across the top of the train car TOWARDS the sign, and rolled off the other side at the LAST SECOND, RIGHT UNDER THE SIGN, with the helicopter still firing at me. It was fucking awesome.