The tendency of the University of Minnesota football team to have a great season or a great game going, and then fall apart and blow it. Similar to Couged-it for Washington State University.
The Gophers looked like a national contender, until they Gophed-it against Purdue.
When one is golfing and finds the urgent need to defecate, but finds no convenient facilities, one might be forced to defecate in the cup (hole of the green). 'Hot' refers to the fact that poop is warm. 'Gopher' refers to the burrowing critters in the classic golf film Caddyshack.
"Guys, that schnitzel last night really went through me. I don't think I can make it back to the clubhouse. Mind if I hot gopher this hole?"