Doug...Geez...that will teach me to check the spelling of regional slang words...if'n I woulda known where to look which I didn't.
1. oofda
a contemporary expression indicating pleasant unexpected surprise, such as: 1. WOW! 2. Hey! This is incredible! 3. My goodness that's good! (this definition of "oofda" is the antithesis of the old Norwegian term of utter dismay, "uffda", however like many words in our modern western culture, "oofda" can be used in a variety of ways).
"OOFDA! Levi's lefse in the best!
I'm not Norwegian by any means, however...I was raised in North Dakota where they abound...plus I also have a Norwegian Uncle.