When a man's "Penguin" accidentally slips out of the vagina and into the asshole mid thrust, without skipping a beat due to it being extremely slippery.
I'm sorry baby... i didn't mean for a slippery penguin to happen. Good for you though, champ.
The translation of a Swedish proverb to mean not to dwell on things that cannot be
Jack: So I've been putting a lot of thought into it and I think Jessica and I would make a great couple!
George: Come on Jack, remember what dad always told us: "A Penguin That Prefers His Fish Cooked Waddles On A Slippery Slope." You know you have no chance with Jessica, stop obsessing over it.