This is when you butt fuck another interested party and then spin your dick around in a windmill fashion (clockwise) and fling doodoo butter circumfrentially onto the walls, ceiling, and floor.
Gary performed a Minnesota Windmill on Steven and now their south beach condo looks like a Jackson Pollack painting.
by Millybobilly April 3, 2009
 Get the Minnesota Windmillmug.
Get the Minnesota Windmillmug. The act of unleashing your biggest, wettest fart in your girl's face and then fanning the fumes by waving your penis around in a circle.
by CorylnTheHouse December 2, 2016
 Get the Minnesota Windmillmug.
Get the Minnesota Windmillmug.