mental athlete 

A person who is devoted to intellectual pursuits and studies.

Since he's a mental athlete, he should be good on the TV game show Jeopardy.

mental athlete by Not a Philistine October 9, 2016

Mental Horsepower 

Mental horsepower refers to intelligence in the purest sense of cognitive ability and memory.
Those with high MH have the ability to learn math and science easily and trivially.

mental horsepower

Mental Horsepower by mathistheonlytruth February 2, 2017

mental hiccup 

basically a brain fart

I was trying to explain my work but could't because I had a mental hiccup

mental hiccup by pedocycle November 28, 2018

mental boner 

it’s like a regular boner but for your brain and is mostly revolves around a quality that you admire in someone.

The fact that she fills my mind with ideas gives me a mental boner.

mental boner by YuOfTheNight January 8, 2020

mental threesome 

Sex between two people where a third joins only in your head

Last night Heather enjoyed a mental threesome, blowing Geof in her mind while he was fucking her in real life.

mental threesome by ShortSmartSassySweet July 22, 2021

Mental Rort 

It's when your mentally stable and mental illness or trauma side swipes you.

This bipolar diagnoses is a mental rort,
My life is a mental rort.

Mental Rort by AusTetris August 8, 2021

mental crack 

When you have too much energy for your body to contain

Why are you laughing so much are you on mental crack or something damn.

mental crack by your truely molly February 4, 2022