![confused](emoticons/beigeconfused.gif)
I dunno if it's playfull or not, likely not otherwise you wouldn't post here right?
If it is playfull just go along with it and retaliate with something, since they're 16 my guess is they read Twilight, always an easy target.
If it isn't playfull, dump the fuckers. Get yourself some more highly evolved friends, ones with reasonable intellect would be best.
This is all asuming you yourself are a reasonably intelligent person.
If you are the kind of hardcore otaku that would marry a pillow then you have bigger problems than your friends bullying you. I advise therapy in that case.
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Do but despise reason and science,
The highest of all human gifts -
Then you have surrendered to the Devil
And must surely perish. - J.W. von Goethe