grasseater

Etymology
. Originally in reference to the Irish potato famine, implying that grass was all the Irish had left in their diet.

Noun

 * 1)  A white person, especially an Irishman.
 * 2)   type of police officer
 * 3) A herbivore or similar grazing animal.
 * 4)  A vegetarian or vegan.
 * 1)  A vegetarian or vegan.
 * 1)  A vegetarian or vegan.