Menthal 

A person whose behavior is irrational and spastic due to mental problems caused by meth.

Betty is outside going absolutely menthal again.

Menthal by suicidebyuzi1 March 14, 2017

Spite Monkey Mentality

The sort of mental attitude exhibited by the majority of teenagers worldwide; arrogance, inexperience, and self-absorption coupled with lack of insight, narrow mindedness and a total inability to accept that they could ever be wrong. It is just this sort of chip on the shoulder attitude that causes them to clog up Urban Dictionary with ridiculously silly definitions that stand no hope of ever being accepted, to compete with each other to produce the most sickeningly disgusting sexual perversion, to attempt to boost their, already over-inflated, egos with self-aggrandising descriptions of themselves or to denigrate people they don’t like with descriptions that they don’t have the balls to put their names to, because if they did they would be sued for libel. It’s the sort of mental attitude that, when their submission is rejected, throws all of its toys out of the pram and rejects everyone else’s definitions out of infantile spite.

It is to be hoped that eventually they will grow up and maybe grow a pair although it must be said that many of them never do, retaining even into old age an immature sense of entitlement.

Spite Monkey Mentality is unfortunately prevalent amongst the teens, pre-teens and post teens who have invaded Urban Dictionary.

Spite Monkey Mentality by AKACroatalin May 13, 2015

mental floss

changing your thinking to get rid of useless info

Holy Shit! After that time with those Idiots, I just Had To use mental floss!

mental floss by Starchylde June 9, 2015

Mental Wealth 

To have mental wealth is to possess the knowledge, skills and resilience to maintain and enjoy great mental health, even in tough times. Mental wealth helps us to thrive and protects us from having poor mental health.
Mental wealth is something everyone has a right to.

It means understanding what makes us human; how to regulate our thoughts, feelings and behaviours so that we play our best game and help others to do so too.

She invested in her mental wealth and was able to confidently navigate change and stressful situations.
They invested in children's mental wealth so that they grew up to be confident, resilient and accountable.

People with high levels of mental wealth thrive

Mental Wealth by Hummingbee October 10, 2020

Mamba mentality

To attempt to reach above and beyond expectations no matter the circumstance.

Kobe Bryant being the embodiment of 'Mamba mentality'

Whether it be a play-off run or a training session Kobe always put an infinite amount of effort. That's mamba mentality.

Achilles torn Kobe still went up to take his free throws. That's mamba mentality.

R.I.P Kobe & Gigi.

Mamba mentality by J-Mat32 January 29, 2020

envy-iron-mental 

Hatred against industrial progress.

Crackrockicle envy-iron-mental laws regulating oil production to the point car companies go bankrupt, and people lose jobs and can't buy necessities.

envy-iron-mental by primitive April 2, 2009

positive mental energy 

The Atheist term for positive spiritual energy.

Positive mental energy produces attributes such as Love, Peace and Happiness.

positive mental energy by Kahdlibber October 10, 2017