n00bzor
A n00bzor is a n00b who is so bad, they make the whole game lose. Like a giant, smelly n00b.
My friend is a n00bzor. He shot my character in the head and didn't even notice.
That kid is a n00bzor. He used a sword to fight a mouse.
My brother is a n00bzor. He tried to cook and set the house on fire.