Top Definition
A person who eats only, or mostly, very unhealthy food.
- Last night I was really hungry and I invented deep fried bacon-wrapped donut sandwich.
- You are such a junkivore!

- Honey, if you go groceries, don't forget bacon, fries, sugar, soda, donuts, chips, doritos and ice cream.
- If you keep this junkivore diet, you'll be dead before you hit 60.

- So, how are things with that guy you met online?
- Really bad, he's a junkivore.

- Ewwww I must taste terrible!
by Kitsunegari December 11, 2010

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