you people need some serious help. a Kinder Surprise is a German candy bar shaped like an egg and with a toy inside. yummy chocolate but the toy is tiny as hell and gets lost easy
The act where you a girl would clean her anus in preparation for oral butt sex, and while cleaning her anus, fills it with nutella. When her partner proceeds to eat her ass, they will eat the nutella, making it a kinder surprise.
When a man puts feces on the backside of his balls, or scrotum. The man leaves the feces on the back of the scrotum. Once he goes to engage in coitus he rubs the tip of his penis on the back of his scrotum, covering the tip in feces, giving it the appearance of a chocolate egg.
“I heard Brad and Angelina got a divorce because he gave her a Kinder Surprise Egg” “Dude, Chris Gave Chelsea a Kinder Surprise Egglast night!”