^ yeah, that's jersey (joisey) dialect. they toin tings into soundin like theyya ah's ah missing (some r's disappear and they usually move the short o, like in english dog, to "dwag".)
http://www.youtube.com/watch?v=6vkTN4-GZQQ - cute video, it's a decent real example.
on the other hand, there's also (california) "valley girl" (like, whatever, oh my god):
http://www.youtube.com/watch?v=-fGZtrBeDcQ - parody, but funny.
i can only attest for the existence / accuracy of the jersey accent though, since i've lived in new york. no idea about the actual prevalence of the valley girl, lol.