snowball war
When you want to have a snowball fight but the fight is much more than a fight...its a war. By using "snowball war" you are placing emphasis on the fact that you will destroy the opposing team.
person 1: "the snowball war is starting where is the enemy?"
person 2: "theyre over there hiding in the igyloo!!!"
person 2: "theyre over there hiding in the igyloo!!!"