(noun) A person who is not only a vegetarian (doesnt eat meat) but is also, in fact, a fish-eater too! i.e. the "pescatarian." This allows for a properly balanced diet, mainly providing valuable protein into the standard vegetarian diet.
Erica: "Dad why cant I be a vegetarian?"
Dad: "Because you need protein!!!"
Erica: "Well then what if I just eat fish?"
Dad: "Okay that'll be fine."
Erica: "Yay! So now I'm a vegepescatarian!"