(Proper noun)
A person with superior driving skill and the person most likely to chauffeur your drunk ass home in your own vehicle.

Also, for an unrelated reason, one who has a total inability to flirt with anyone of the opposite sex.

These specific characters of the human species are quite rare and only come out in public when coaxed heavily with outside pressure from close friends.

Benamen can also be someone that lives in a trailer in their parents driveway.

Adj. Something that is expected to have a long lifespan by virtue of having existed for a long time, based on the lindy effect, named for the New York restaurant Lindy's, coined by Albert Goldman and popularized by Nassim Taleb.