(1) A generic sexual bodypart.
(2) A generic carpart.
(3) A term used to trick people that don't know much about sex or cars.
(1) Dude, I think I sprained my kanuter valve when I lost it on the handrail.
(2) Sorry ma'am, we're gonna have to replace the whole kanuter valve, and the one that fits your car is mighty expensive.
(3) Hey Chris, know what a kanuter valve is?
The untmost elite of newbies. The omninoob. Probably grew up really sheltered. One lacking in common sense or culture to the degree that he/she could be classified as being "skilled like ninja" at being a greenhorn. The proverbial 40-year-old virgin.
You don't know how to pump gas? You've never heard of Bruce Campbell? You've never played spin the bottle?? You're such a green ninja!