1. A single attack resulting in 3 or more kills, online or in real life.
2. More than one killing.
1. Ownage11 just made a multikill with his assult rifle!
2. The Green River killer multikilled lots of women.
Most popular in the game Call of Duty: Modern Warfare 2, it occurs when you get 4+ kills with a single blow. An example would be disowning a team with a Predator Missle.
YEAH!! I had a 20 killstreak going and I got a Multi Kill to get my Tactical Nuke!!