Meanings
plural grasseaters
- ethnicoffensiveslangslurA white person, especially an Irishman.
When the "green mouths," as the impoverished Irish grasseaters were dubbed, entered the United States, they brought cholera, consumption, and typhus with them.
2002, Jan Pottker, Janet and Jackie: The Story of a Mother and Her Daughter, page 12 - alternativeslangAlternative spelling of grass-eater (type of police officer)
- derogatoryA vegetarian or vegan.
Founded in 1898, when vegetarians were regarded as “grasseaters,” this restaurant has more than proved its staying power.
2009, Robert I. C. Fisher, Fodor's Switzerland, page 51
Origin
From grass + eater. Originally in reference to the Irish potato famine, implying that grass was all the Irish had left in their diet.
Full word history & related roots →Cite this entry
grasseater. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/grasseater
“grasseater.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/grasseater. Accessed November 2, 2026.
WatkinsX Dictionary, s.v. “grasseater,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/grasseater.
Source: grasseater on Wiktionary, CC BY-SA 4.0.