Masterpuss 

A fierce and powerful leader of all cats, usually having superior sneak and agility skills in combat.

Masterpuss Randall wields the power of catnip in his razor sharp claws.

Masterpuss by Masterpuss Randall December 28, 2016

Masterbassion 

(n.);masterbassing-(v.) pronounced: Mast-er-bash-un
The stimulation of ones own bass guitar, especially slapping, which results in immediate pleasure and self-gratification. Depending on the length and intensity of masterbassion, pain and/or blisters may develop.

Idle hands lead to masterbassion.

Masterbassion by Glason j Laausser March 26, 2010

Masteress 

The female form of a master.

"Thank YOU spaghetti masteress!"

Masteress by Joan-Marie October 3, 2008

Masterpost

A collection of topics/information/links put together into one single post.

"I was looking for the answer masterpost for the final study guide."

Masterpost by MoonlightMeme January 9, 2020

Masterous 

To be the master of masters, or become the best you can be at something.

Dang, his dance moves are so masterous.

Masterous by Halios October 26, 2010

masterbasser 

one who plays a k7 bass guitar and masterbates at the same time.

dick is a masterbasser

masterbasser by sin dolly December 21, 2003

Masterpiss 

The opposite of a masterpiece.

Wow, that rushed drawing is a masterpiss.

Masterpiss by FredoriaGaming October 30, 2021