Mountception 

A mountain within a mountain, a mountain in which the true summit reveals itself from half way up.

Mountception is the worst thing that can happen to an obese person climbing a mountain

Mountception by Jockmchaggis August 26, 2013

Moonception 

Moonception is a scientific term for a moon orbiting another moon

There isn't really an example to give for moonception

Moonception by Earth master October 15, 2017

momentception 

moment recursion or inception, therefore you realize your moment is about to become an infinite one

Person 1: My moment is making me think about moments, it’s a moment moment
Person 2: My moment is making me think about your moment moment, it’s a moment moment moment
Person 3: Momentception!

momentception by mtyuaduauduve3845 July 18, 2023