whistling sixty-fiver
verb. Delicate process involving the cheese packet from Shells and Cheese, a female's vagina, and her male companion's mouth. The female squirts the cheese into her vagina and then upon the request of her male companion she queef's the cheese into his mouth. He then proceeds to try and whistle the cheese into his female partner's mouth. Created in 1965 on a brisk winter's evening in Montreal, Canada.
Before my girlfriend made dinner she asked if I was interested in a whistling sixty-fiver.