Top Definition
Person who eats everything.
No, I don't have an dietary restrictions, I'm an omnitarian.
by Jenilynn June 11, 2014
1 more definition
1. someone who eats foods that only start with the letter 'O'. From oranges to orangutangs.
1. My friend Kathryn is an omnitarian.
2. She can eat BEANS shes an omnitarian.
by Jean Claude May 17, 2007

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