The act of having sex in a freezer while your partner holds an ice cube hostage in their arse. At climax the ice cube is released, ejaculated up on and crushed in to a refreshing beverage.
Sam was having sex with his wife in the freezer while she held an icecube hostage in her arse. after, he spunked on the icecube and put it in a blender for her to drink. This became the Seattle Slush Puppie