When he says that Jasper called him something that "wasn't very original," he's saying that Jasper just insulted him.
Whatever insult Jasper used, it wasn't original.
Review Question #2:
When Noah goes to see Lice Peeking, he describes him as have a 'wormy smile.' What do you think he means by that?
That there's a worm on Lice's face
That Noah thinks Lice is incredibly ugly
That Lice isn't actually happy to see him, and that the smile is forced