When you put a glazed doughnut around the rim of a girls butthole and pee through the hole in the middle of the donut into her butt and then proceed to have anal sex after you pee into her butt.
The act of ordering a dozen fresh doughnuts from a roadside establishment and proceeding to copulate with sed confection using custard as lubricant until either completion or doughnut disintegration all the while making eye contact with the vendor.