Of or relating to the state of Minnesota, esp. from the months of November to April. During these months, there is almost always 2 feet of snow on the ground. Also when it's so cold your snot freezes and makes icicles and you can't feel your hands or feet.
Jimmy: "Hey, did you hear it's going to snow tomorrow?"
Bob, Jimmy's sarcastic, wise-cracking friend: "Noooooooooooooooo. Snow in Minnesnowta?! REALLY?! I would've never guessed…"