For those not keen on the inside joke, one of our former governors was a liberal named Mike Lowry. His tendency to pronounce the state "Warshington" drew jokes from pretty much everybody in the media. I once had a school teacher who did the same thing.
My mother pronounces wash sorta like that, sounds like worsh. She also says aigs for eggs, laigs for legs and a few more things. She is the only one in the family that talks like that and nobody in her family does or did. Nobody knows where she got it from, My grandmother when she was alive did not know either.