Mavstar 

1. A brand of Australian beer.
2. Adj. An intensive used to describe something desirable, or of a very high standard.

1. Yo George, chuck us a Mavstar will ya?
2. Chisholm is freakin' Mavstar

Mavstar by Tower 11 August 3, 2006

MarStarBro 

An asshole who harasses EXE fans. He also uses his age and "mental health" as an excuse when he would rush his mod, like how Milk was so mid cuz he rushed it.

MarStarBro doesn't deserve oxygen

MarStarBro by MarStarBro October 25, 2023

MaSTAR Media 

The act of rotoscoping (tracing) in animation without giving credit.

The popularity of a particular YouTuber (MaSTAR Media) caused those to shame animators using the same technique as him.

Generally, you simply cut this down to MaSTAR.

"This is such a MaSTAR Media"

"Whatta MaSTAR!"

MaSTAR Media by Hugh Jackman Scene May 11, 2017

Manstard 

Semen (food item play on word)

She enjoys my spicy Manstard...well..not really but...

Manstard by Jesse Kane May 31, 2007

mastard 

Someone who has mastered the art of being a bastard.

God, how can you be such a mastard?

mastard by Nick Chaffey July 25, 2007

mastarvation 

When a person in unable to masturbate for a long time (long depending on their usual masturbation habits). This may be because they have very little alone time or if they break their hand, hurt penis, feel guilty ect.

A common cause of mastarvation is camping or staying in a hotel with other people.

The ejaculation after mastarvation is euphoric.

Bro! after camping for 2 weeks I was suffering serious mastarvation. When I got home I jumped straight onto porn and had a euphoric wank.

mastarvation by Regular_Terrestrial September 2, 2011

Mastardise 

To tweak or rip-off something well known, yet improve it, or have it received as better than.

A good meme is a known pop culture reference, mastardised to ROFL effect.

Mastardise by CallumFoster December 24, 2019