Very bloated weanling rat! Whats Happening?!

[Chimera Reptiles]

sorry if i sound dumb but the rat is a high white? does that pertain to the white from her belly covering more area then a normal berkshire? Is that what a "high white" is?

You don't sound dumb in the least bit, I'd be concerned if you didn't ask questions.
But to answer your question, yes the higher white up the sides was a give away, same as the wedge on the rats face. But there are lots of high-white variations, have a look at the link below.
http://www.spoiledratten.com/highwhitecont.html