Trolls are people who make stupid, pointless, repetitive posts with no intent to listen to replies, to learn from experience, or discuss the material at hand; who seek only to disrupt the thread or provoke intemperate replies. Very similar, in general, to the behavior of poorly raised adolescents.
Want to see one? Look in a mirror.
I don't remember calling anyone names, unlike you evos. But it doesn't surprise me that manners wouldn't be your strong suit.