Refers to the inevitable loss of blood flow to the penis while bicycling long distances, which numbs the appendage creating the sense that your "pee-pee" is asleep.
When you are so drunk you fall asleep after fornication with a partner, and forget mandatory bladder relief. While sleeping you release a raging torrent of urine onto "said" victim. Upon waking up to the smell of asparagus, you make a quick exit.
Damn Steve has perfected the 'ol sleepy peepee so well the girl thought she pissed herself.
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.