methlomaniac 

Relating to methamphetamine addiction. Methlomaniacs usually have been on meth for at least 20 years.Having delusions of grandeur, feelings of being all powerful, bulletproof.

Seventy percent of meth users will more than likely be methlomaniacs in 20 years.

methlomaniac by Methlomaniac January 17, 2015

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

mythomaniac 

Someone that always says a truth that doesnt have ass where to sit...

Me: Hey when you was in the USA what you used to do for living???
Mythomaniac: I was a Lieutenant commander in the navy...
Me: for how long?
Mythomaniac: 16 years
Me: Really? wich naval academy did you went???
Mythomaniac: None...i was a recruit
Me: ok kool, thats interesting...

mythomaniac by Sheikhg February 14, 2014

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

Melomaniac 

Someone who has an extreme love for music.
Someone who is almost addicted to music

Do you know the girl who always listens to music? She's a Melomaniac.

Melomaniac by _BaccoX December 22, 2020