When you shove your arm up someone's ass so hard that the anal cavity changes purpose and its sole purpose is then to be a receptacle (pipe) for your fist.
Man, never go to that gay club on 5th Street, they have a thing with fistpipes.
A term to describe a certain type of hallucinatory experience, one in which a person has a sense of swimming through a clear, water-filled tube about the diameter of their own body and seeing fish swimming alongside them.
I was moving in super-slow motion in the fish pipe and I noticed that one of the outrageously colorful fish was staring back at me with such love that I began to sob uncontrollably.
A nickname given to someone who uses the microwave oven of a different department on a different floor to warm up his/her lunch. The result is a witch hunt followed by deep hatred for that person for making the entire floor smell of fish.
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.