I drank a really large water and now my stomach is all puffed out because its so full. I never asked my doctors if it was possible too drink too much at one time. Does it just run right through to the bottom part of your stomach? I wonder if thats the section thats stuffed with fluid. Can u stretch anything out from fluids?

Fluids for the most part should funnel on through. One major exception being when if you are already backed up with food. Then fluids are a major ouchie (IME). I also know people who have PBed on straight liquids - that I've not done, but it would indicate that even just a plain liquid can be ingested too fast and back up, having no where else to go but out.

Yep, I agree.

I still drink a ton of Water at a time but I really, really try not to make myself feel "full" from it and I definately try not to drink until at least 30 minutes after a meal as I have found like Wheetsin said that it can make me feel uncomfortable because food was already in my pouch. But also because I get hungry so much faster when I put liquids in too soon after eating.

As for possible damage? I don't know, except to say my philosophy is if I've done something that made me feel badly then I try not to do it again just to ensure I don't hurt myself accidently.