zifferzafferzuzz

A hypothetical concept that cannot be inquired about or learned about, regardless of whether one knows about it or not.

If you don't know about the zifferzafferzuzz, you cannot inquire/learn about it.
If you do know about the zifferzafferzuzz, you cannot inquire/learn about it.
You either know about the zifferzafferzuzz or you don't.
You cannot inquire/learn about the zifferzafferzuzz.