People who aren't vegan but want a word for their diet to pretend that it means something. They're often seen eating meat and cheese. Usually associated with anarchist activists, traveler kids, alcoholic punks, and other embarrassing subcultures.
Jim used to be vegan but now he's a freegan sellout who doesn't care about the animals. It's too bad he will perish when the vegan revolution sweeps the animal abusing scum off the streets.