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2.
Somebody who harasses someone for being a vegetarian, even though said vegetarian doesn't shove their dietary habits down anyone's throats.
I didn't even say anything, and he was all "Hey, you know what would be great on that salad? Some VEAL!" What a douchetarian.
by 'Rixx March 01, 2009
 
1.
Your classic mega douche who refuses perfectly good food on account of class 1 assholery. A douchetarian will find any way they possibly can to be a douche in any and all circumstances adhering to the principles of douchetarinitism.
Fuck that douchetarian. Let's troll him.
by Troll Master General November 16, 2011