Definitions by Bofo Futtfoo

umblefarp 

An undefined unit of time often used in high school level mathematical proofs. It is used when one does not wish to convert units of time, so they set the aforementioned time to one umblefarp.

I forgot how to change seconds to days, so I converted seconds to an umblefarp.

umblefarp by Bofo Futtfoo May 27, 2007