Laughin' Jokin' Numbnuts is the name given to LJN by James Rolfe, the Angry Video Game Nerd. James is a classic game reviewer with a low tolerance for bad games and LJN has consistently released poor titles.
I wanted to buy "Back to the Future" for the Nintendo Entertainment System until I found out it was a Laughin Jokin Numbnuts game.
Numnuts or num-nuts is a slang term that is used to depict someone who is a constant source of trouble. Usually an individual who screws up, or constant makes mistakes. Someone who botches a job, event, or situation.
"Good job, numnuts!"
-Or-
"You guys are a bunch of #%^&!$$ numnuts! Hit the ground and give me 50!" (a drill sergeant to his platoon of Army trainees.
When you get drunk, hight, or start tripping because something is so bad in your life you want to escape.
Mark: What did you do last night?
Me: I was still so hurt that Megan dumped me, that I got some serious numbnation in.
Mark: Hey, that helps ease the pain a little.