It's what's a N00b is full of. It's a weird DNA that's secretly inserted into certain people that make them act retarded. They become obnoxious, loud, socially retarded, attention whores, they act like they know everything when in reality they know nothing.
N00b DNA is the reason for this, Frosh are also injected with N00b DNA.
Sarah: Did you see that stupid Frosh?
Katie: You mean the one who threw applesauce on the ceiling with spoons during lunch?
Sarah: Yeah, he must've been inserted with N00b DNA or something
Katie: He probably took it himself, thought it would get him high or something stupid like that