Someone who eats everything: Fish, eggs, meat, poultry, vegetables, dairy products etc.

Antonym: Vegetarian, Vegan, Pescetarian, Ovo-Vegetarian, Lacto-Vegetarian.
Cris is a vegetarian who promotes their way of life to people and wont shut up about how healthy it is.
Marcus is an omnomnomnian who punches Cris and tells her to shut up, while Liadan - a fellow omnomnomnian - laughs.
by Caoimhe Über Alles July 02, 2009
5 Words related to Omnomnomnian

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