A person who does not eat anything healthy for them, they just eat a lot of junk food! They rarely eat any meat products, and not enough fruit or vegetables to be any where near having a healthy diet!
Jake: I don't like any of that stuff, especially the meat that's on there!!!
Chris: Jake I swear you are a wanna be vegetarian!!!
Jake: No I'm not, I'm not that close to a vegetarian!!!
Person A: "I just became a vegetarian. So I can't eat meat."
Person B: "Fuck that. I'm a junkatarian."
Person A: "What is that?"
Person B: It means I eat cheese doodles and chocolate chipcookies for breakfast, lunch and dinner."
Someone or something that bites your ankles.
To a postman, an ankle biter is often known as a dog.
To an adult, an ankle biter may be a toddler.
To hikers, an ankle biter is sometimes a tick.
And so on.