When a man or woman of unexceptional beauty and grace sleeps with someone far above themselves in physical attractiveness or social standing.
Can you believe our friend--a total slob and blunderbuss, by the way--slept with that extremely intelligent supermodel? He was totally pooping in the periwinkle if you know what I mean.
When a man cums all over your face while throwing confetti in the air and yelling "periwinkle!" during the whole process the man is wearing a sombrero and galoshes and is eating a quiche.