(interjection) An expression of irritation or anger that exploits the ironic juxtaposition of the scatalogical expletive "shit" with the harmless fluffy imagery of kittens. Also alludes to the colloquialism that one is so nervous/upset that one could birth kittens, or shit something unusual.
Shititties is a compound word you would use in the place of another curse word. It is considered a curse word and I do not suggest you say it at high school. You can and will get ISS for 5 days because you said two curse words in the span of one word. This word was founded by: I don't know Aqua Man.
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.