megalomentia 

megalomania & dementia at once // a portmanteau of megalomania & dementia

Let's hope this megalomentia up on high doesn't cause the launching of nukes.

megalomentia by ΔиłĦ☼иצ ߀₡ʞ March 5, 2020

megalomeiniac 

mega / lo mein / iac

someone who is obsessed with chinese takeout

he's a megalomeiniac because he ordered chicken lo mein seven times this week!

megalomeiniac by NiraMillson January 9, 2017

megalomaniac 

1. A psychopathological condition characterized by delusional fantasies of wealth, power, or omnipotence.
2. An obsession with grandiose or extravagant things or actions.

For example, Prince Naseem.

megalomaniac by Rowen September 12, 2004

Megalomaniac of Doom 

A megalomaniac such a megalomaniac that they become a Megalomaniac of Doom. (Capital letters are required.)

Jeff is a power hungry Megalomaniac of Doom.

Megalomaniac of Doom by Megalomaniac Of Idiosyncrasies February 15, 2020

megalomaniac 

A person needs complete control over everything such as a world or a timeline

Sans: woah chara is a megalomaniac

megalomaniac by Rosey221 June 27, 2017

Megalomaniac 

a melomaniac who is constantly listening to megalovania (I don't know how to spell it, I haven't played undertale in a long time)

*megalovania plays*
*Megalomaniac mode activated*

Megalomaniac by ♥🗺☠ March 1, 2021

megalomania 

a psychopathological disorder resulting from delusions of magnificence, grandeur, or omnipotent power -- usually, but not limited in the interests of money or other wealth.

(1) Adolf Hitler

(2) Saddam Hussein

(3) Osama BinLaden

megalomania by Postman January 13, 2005