Urban Dementia 

When you accidentally post a definition for the same word twice (or even more than that).

The user who wrote this has frequent bouts of Urban Dementia

Urban Dementia by Ubeenbamboozledson July 8, 2024

Deadlift dementia 

When you forget how to deadlift after having deadlifted just fine beforehand.

I got a case of the deadlift dementia.

Deadlift dementia by MrGoatsy January 23, 2025

Reverse dementia

When a person is tripping balls on psychedelics and you convince them that they are living in a figment of their mind and that they are really in a coma with a family and grandchildren waiting for them to wake up

Damo looks like he's about to shake hands with god, let's go see if we can give him reverse dementia

Reverse dementia by CrustyCrumbs November 8, 2025

Danno cal dementia

A slang originally from GarrettTheCarrot's comment from the video from danno draws "I am terrible" it means that someone uploads a video however he/she made the same video year(s) ago

All right I made my video about bees it is good
You already made the video years ago Danno cal dementia!

Danno cal dementia by DoublGuyz6262 May 8, 2026

Dimentia 

That dimension fever we all have sometimes.

All this talk of theoretical physics is really sparking my Dimentia.

Dimentia by JakePaulOhioBoy May 23, 2018

Dimentia 

That dimension fever we all have from time to time.

When you want to play Super Mario 64 because you just wanna take a look at those three dimensional polygons, that is dimentia.

Dimentia by EXEMENZ December 20, 2018

Dimentia 

That dimension fever we all have from time to time...

Hey y'all, Scott here. And dimensions, am I right? I've decided to create a term to describe that dimension fever we all have from time to time...Dimentia!!

Dimentia by Im4gineD4tYT May 23, 2018