Similar to a vegetarian with an emphasis on local, organic foods. Some may eat wild meat, such as venison, if available.
Yo dude, lets pop down and check out that ecotarian party, I heard the chicks only eat wild meat.
One who refrains from eating meat that isn't wild game (eats deer, grouse, duck, goose, javelina, etc., but not beef, farmed pig, industrial raised chickens, etc.)
Disgusted by modern meat production, he started hunting and became an ecotarian.