Mental Horsepower

When you personally have made a repair to a machine and feel that it works better just because you worked on it. Even if the part of the machine you worked on would not make it work any better.

Jim: "I replaced the heater core in my car, now it seems faster..."
Sam: "I've heard of that before."
Jim: "Seems to run smoother too!?"
Sam: "That's Mental Horsepower!"

by MNIGHT August 21, 2009

Mental capas

A shorter way to say mental capacity, which means the capacity that your brain can take.

Me: Says a joke.

Jonathan: I don't get it.

Me: uh, is it beyond your mental capas to get the joke.

by get it right the first time May 31, 2009

Tits Mental

To go absolutley aff yer heid mental. Cuttin loose, wi nae regard for the consequences.

I cannae wait for the end of this lockdown pish; I'm gonna go absolutely tits mental.

by Bunyano March 28, 2021

mental viewfinder

Seeing an image in public so hot that you catalog it in your memory for masturbating later.

Holy shit I was behind Susan in yoga today. I totally put that in my mental viewfinder for tonight’s wank.

by timbre December 5, 2013

E-Mental

Someone who is totally ate up with the environmentalist movement

That Al Gore is like totally E-Mental.

by GAME$TA December 20, 2008

Mentally high

When you say some retarded shit while sober that would've been said if you were high

I am saying some stupid shit today that I feel like I'm mentally high.

by Ninja Yoshi October 20, 2019

mentally silly

An adjective that describes something that is so retarded that you don't even know what to call it.

Thomas you are so mentally silly.

by ImWhiteButNotBlack42069 June 1, 2017