When, in Gears of War or Gears of War 2, you pull-off a headshot with the longshot rifle (snipe) while the victim was in mid-roll.
Guy 1: Yeah man, kick that guy he's totally kung-fu'ing.
Guy 2 (host): Yeah, but he's really eas -- HOLY SHIT!! MAN DID YOU SEE THAT SUPERMAN HEADSHOT?! DAMN!
Guy 2: SHUT UP!!!