And although this one is not referred to as such, the I-94/I-35E interchange in downtown St. Paul (less than 10 miles to the east) can also be referred to as Spaghetti Junction due to the on-ramps from Wacouta/10th Sts into the I-94/35E interchange.
"There's so much traffic here, think we'll see any meatballs?"
"Nope, just MEATHEADS, as in the drivers here."
Person 2: "I take 35W"
Person 1: "Oh that sucks."
Person 2: No, my exit is before spaghetti junction."