EvoKiller 

A inexperienced and/or ignorant or unskilled person.

I whooped you by a car lenght because you are a EvoKiller.

EvoKiller by Anonymous February 2, 2005

emokiller 

killer of all things emo. emokillers travel in packs ranging from jocks to even nerds. They approach the emo from behind, while said emo is crying or writing poetry or making a pointless attempt at emocide.
Emokillers can also be the catalyst in turning an emo back to normal, confronting them with bright happy colors and pop songs about love and cute things.

Josh is such an emokiller. In just three days he transformed Travis from an emo to a football-playing jock with a girlfriend and jeans that fit him.

emokiller by Brooklynn07 January 11, 2007

egokiller 

a person who kills or ruins other peoples ego.

wow you really made fun of that guy u ruined his ego for good you must be a egokiller.

egokiller by okokokkokokokookokookooo March 16, 2008