The best moment in tanking has got to be when you are hidden for ambush and see an enemy tank driving around in front of you with its back exposed. You immediately get excited and fire off a shot which, of course, hits a freaking camel 100m to the right of the target. At this point your adrenaline sky-rockets and you frantically slam the mouse button and curse the reloading time as the enemy slowly turns around and points his barrel straight at you. O_O
At the last second you blow him up and you collapse on your keyboard from exhaustion and stress, relieved to be alive... only to be blown up 2 seconds later by his friend whom you never noticed. -_-