I had lived overseas, E Coast and Texas before moving to UT and my first introduction was BYU, so not entirely representative of the state.

"Sluff" as in sluffing school or sluffing off skin. Very foreign to me.

"NCMO" I don't know if I need to elaborate

"DTR"

"Fetch" or the adj. "Fetching" or noun "Fetcher"

"Fry Sauce"

"Pop" kind of weird to hear the first time, I think cause coming from TX everything was a "Coke"

Not a knock on Utah, just something I was thinking about last night.