Someone who thinks Brexit is the best thing to happen to Britain since Cornwall.
by Dave Dave7 June 25, 2021
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The opposite of a mental midget, someone who is a 9 foot tall ogre in their mind, even if they're five foot nothing.
Guy 1- Why is he/she always slouching like that?
Guy 2-He/she is a mental giant, slouching makes him her look a little bit more predatory and a little bit less silly, so nobody will mess with him/her. It's kind of like the way some people get a tattoo so nobody will mess with them.

Guy 1- Oh yea, why didnt I think of that?
by Solid Mantis June 2, 2020
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The opposite of a mental midget, someone who is a 9 foot tall ogre in their mind, even if they're five foot nothing.
Guy 1- Why is he/she always slouching like that?
Guy 2-He/she is a mental giant, slouching makes him her look a little bit more predatory and a little bit less silly, so nobody will mess with him/her.

Guy 1- Oh yea, why didnt I think of that?
by Solid Mantis June 2, 2020
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People trying to get inside your mind and but flat out fake people just to get you typically happens to women
Hey,his being a mental perv to me recently what should I do about him
by Jack Napalmer August 17, 2017
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Someone who may be accused of being lazy and not doing any manual labour but practises his labour in the mind, where his thoughts are constantly working.
I've grafted all my life not as a builder of houses, but mentally as an architect of ideas. So you would call me a mental grafter.
by Forever Lucid December 29, 2016
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mental flatulence: the time when a person cannot access information in the brain that is usually readily accessible.
I had such mental flatulence that I could not recall my own name.
by TooSick4U October 19, 2010
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