when someone drinks 200 ounces of liquid in one day, holds in the pee, and then pees on a hot girls tittys with so much pee that it looks like a little lake. Then you shit on the piss/titty lake and proceed to fuck the shit out of the girl with your face buried in the lake titicaca
When you take a giant diarrheapoop and it makes a puddle resembling a lake in her cleavage. If you lucky you get some drift wood or floating mystery corn.
It is said of the situation where a person has the bad luck to make contact with his testicles against an undefined surface or object, intentioned or not.
Given the nature of the word, it is more appropriate to design cases where the interaction is made with a moving object, for example, a ball.
Although it is extremely painful for the victim, it tends to be considerably funny to people who witness it.
Today in the baseball game the pitcher took a nutshot; the baseball hit him in the nuts.
Man, I just watched the funniest nutshot video ever.