A term used to describe ones chin on/in a bongs mouth piece. Usually a tactic used to hold the bong while packing a bowl or just preparing to light the said bowl.
Plural: Chinsinit
Stoner 1: Dude, that guys chininit
Stoner 2: yee, so he can pack the bowl
Stoner 1: My chininit so I don't drop the bong
Stoner 2: I can hold it!
Stoner 1: Like im trusting you with my $200 bong.
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.