a ninja rock is a rock that sneaks up on you while walking or running and causes you to either twist, sprain, or break your ankle. At the very least it will make you say ouch that hurt. Most commonly happens at night when you cant really see whats on the ground so well.
I was walking to the chow hall with my roomies and out of nowhere this ninja rock made me twist my ankle.
Aww fuck damn ninja rock just tried to take me out. I hate those sneaky bastards.
Dude Caleb was walking to back from the store last night and stepped on a ninja rock. It put him on crutches man.
Small shards or pieces of ceramic spark plug insulator (the white part). When thrown at glass, they break it very quietly. They are used mostly for car burglaries in which the burglar wants to remain unheard.
Dan hit the driver's window with ninja rocks, then Joe ran up on the guy hit him in the nose after opening the door.
A sunburn or suntan focused on the left arm. It is caused by the left side of the body being the only half that gets exposed to sunlight while driving. Presumably, it would be located on the right side of the body in countries where they drive on the left side of the road.
British slang for a scientist or technical expert, esp . when the speaker is not certain of the expert’s specific field of study. Not necessarily derogatory, but typically used by persons without a technical background. In the US, the equivalent would be “egghead”, “squint”, or “geek.”
Origin of the word is unknown. Started sometime in World War 2. Given the typical evolution of British slang, could easily have started because what these experts did was confusing or “baffling” to the common person.
When you have to pee in a movie but don’t want to miss anything, and must do the following mental equation: will the amount I have to pee cause enough discomfort to diminish my attention capacity for the remainder of the movie to an extent which is greater than the amount of the movie I would miss by making a mad dash to the restroom.
I saw Satantango last night, wonderful film but by the 5th hour I had to start doing peecalculus.