Urman Dictionary

ephemerience

noun

An experience that cannot be shared due to depending heavily on transient external factors that can neither be replicated nor adequately conveyed.

“Why are you guys laughing so hard?”
“Hahaha… oh man. There was this weird noise, ahahaha, and the look on Nikola’s face… oh, never mind, it’s an ephemerience. …Bwahahaha!!”