If you were to meet a "normal" person, would you interpret that as meaning "perpendicular" or as meaning "the kind of person that doesn't look at everything like it's a mathematical expression"?

Normal: "The kind of person who doesn't go out of their way to put-down other people on HN for being nerdy when a linked article contains a weird editorial interjection that bears an unusual resemblance to a math expression."

Um, actually, the interpretation here is "factorial", not "perpendicular".