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1.
someone who is a vegan and goes beyond the acceptable ways of professing this fact (wearing t-shirts and patches, handing out leaflets, writing letters, giving presentations, having websites, and so on) and harasses people about their meat/dairy eating ways in a non-joking manner. not to be confused with your garden variety vegan.
"dude, that kid started screaming at me for eating a cookie with eggs in it... what a vegan nazi!"
by wannabe April 29, 2006
115 165
 
2.
The fuckers who try to tell us that "Meat is Murder" while bombing butcher shops and restaurants.
by Carnivore July 14, 2003
89 224
 
3.
A member of PETA.
Vegan Nazis are usually jackasses.
by Anonymous June 28, 2003
73 240