From the Greek word Apocrypha which means 'hidden things'. Slang term derived from the Apocryphical Books of the Bible. In daily speech, "Apocrypha" and "apocryphal" means something that is not canonical, something that doesn't really count. Often used by comic book or tv-show geeks.
Nah -- Spock never visited Never-Never Land in current Star Trek continuity. That episode is totally apocryphal.
(Note that the example itself is apocryphal and not taken from neither the real world nor Star Trek lore.)
Ruler of Lake Titicaca. Rumored to have a bunghole that gets very angry if it does not receive toilet paper. Cornholio the Great is often seen walking around with his shirt over his head and his hands in the air, chanting songs about his power, and his bunghole.
"I am Cornholio! You do not want to face the wrath of my bunghole, for I need TP!"
Butthead: Shut up, Beavis! (uh huh huh huh)
Beavis: Um, okay. (heh heh heh heh).