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

melomaniac 

One who has a mania for music.

I am a melomaniac.

melomaniac by Larstait November 14, 2003

Melomaniac 

An evil villain that throws watermelons at people. He is secretly plotting to throw an astroid-sized melon at the world and wipe out 90% of all human life.

The melomaniac sounds like a Batman villain, but he isn't I guess.

Melomaniac by udontknowmeidontknowu March 4, 2021

Melomaniac 

Someone who has a fetish for watermelons

Melomaniac be like Bababooey

Melomaniac by anonymous March 3, 2021

Melomaniac 

uh oh

Mike: no no no no no no no no no no

A.A.R.O.N.: SHUT UP HUMAN MEATBAG. MELOMANIAC HAS ORDERED YOUR DEATH.

Melomaniac by granso March 18, 2021

Misomaniac

Noun (Uncountable)
1-Someone who hates everything and everyone.

2-Someone who shows hatrey and contempt to everything and everyone. Feels that everything is worthless/beneath consideration.

He's such a misomaniac ,he complains about everything !
Why do you hate all my friends, are you a misomaniac ?
I discovered that I'm a misomaniac , I'm disgusted of all society.

Misomaniac by Sarcastic Misomaniac January 27, 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