Wack them on the head with a rolled up newspaper
LOL but if it was bothering that much you should've said something. The truth hurts no matter what, you never know she might not have realized she was bothering you at all. Probably could have saved yourself a lot of these
.
and don't worry you might like your new roommate. If its the old one I have a copy of the silouhette that you can borrow.