He uses his large, stupid grin, to irritate people and believes that he is much smarter than he actually is.
"Eurgh. He annoys me so much!"
"Wow. I did not think that I would pass that test."
"Did you see that programme on TV last night?"
Reply to all "Same" answers...
"Stop being such a Samitt!"
a person who speaks complete nonsense day in and day out just to ruin the lives of her students.