References an innocent virgin, usually a girl, or a sissy guy, in that in folklore, a unicorn will only let a virginal maiden ride them.

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.

What a Vampire Calls A Human Femal Vergin, He Does This By Tasting Her Tears.