If your name, guild or rank has "Ninja", "Assassin", "Baby" or anything like that. Please: Disembowl yourself since you probably also have "XD" or "Lol" somewhere in your name. If not: still Disembowl yourself. Because youve either had it in your name at some point or are planning on it.

Calling someone a noob after they just killed you multiple times without death is a very bad idea. You just nailed your coffin.