To do absolutly nothing within a small - medium size co-ed group. Hanging out in a close group and shunning those who try to break up said group. Chilling with the opposite gender for no other reason then to just be with the opposite gender ;).
person 1- Man look at that group! They arent even doing anything they are just standing there hanging out.
person 2- Nah man, they are loveclubbing.
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.