A condition marked by frequently startling people on accident, such as while walking up behind or beside them to say, "Hello." Most accurately described as pervasive accidental sidling.
Ninjavitis most commonly occurs among those who wear wrestling shoes, women with small feet, and the Japanese.
Person 1: (Casually walks up beside Person 2) Hey, man!
Person 2: Dude, you scared the crap outta me! It's like you've got ninjavitis.
1. An oral condition that causes ones breath to be so noxious that it can sneak up on unsuspecting people and be nearly fatal.
2. When the physical state of ones mouth is so repugnant that it looks like a skilled ninja has drop-kicked them squarely in the mouth.
1. I heard that John is in the hospital, cuz he went to kiss Sheila goodnight, and her ninjavitis made him go into shock.
2. god rest his soul, but ODB musta been in a fight with the RZA cause even his goldfronts had sum ninjavitis
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.
A "human" that spends so much time playing video games that their posture is level nerd neck. Everytime anyone goes tryhard they hunch down and their neck gets longer there fore a nerd neck is always hunched down cause they're always going try hard. In other words a nerd neck is a try hard, since their neck is 100% longer than the average human being due to playing too many video games and taking them serious, nerd necks are not even considered human anymore but something more sad. Nerd necks are often found on fortnite, their natural habitat usually being tilted towers.