Tina Fey is originally from the Philadelphia area which probably accounts for her spot-on Philly accent ("like Down-town Abbey" LOL!) Yes, water is pronounced "wudder" in and around the City of Brotherly Love. Although her best feat was pronouncing "war zee-own" like a native.You can get a Keeohwk anna heeyohgie adda Wawa.
Although my favorite in this piece is probably "a dog-man that flies a plane."