A man who thrives on the initial feeling of 'butterflies' generated by a newromance but who easily cools of the relationship once the feeling wears abates.
"Everything was going great for the first month and he was super into me but as soon as the initial 'butterflies' wore off he was gone."
"I dated Lepidopteromasculus guys one month at a time for two years! They are the worst."
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.