With your ball sack stretched over the mouth and nose of the receiver you then grab the base of your cock and slap them between the eyes and forehead with the tip. Works best when erect or semi pudged.
Zach: Dude did you see that? I BatSlapped LB so hard it left a red mark on her forehead.
The process of inserting a baseball bat into a woman's glory hole at the speed of light for maximum efficiency (and penetration).
Guy 1: I just batflamed your mom!
Guy 2: Did you hit a homerun?
Guy 1: No, I shoved a baseball bat into your mom and now she's disfigured.
Guy 2: Aw shucks... She was a bitch anyway
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.