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1. mentally raping
often used when others are staring at you intently..... as if they are mentally undressing you... without your permisson....
....: DUDE! what are you doing! stop looking at me like that!

...: sorry. I'm just mentally undressing you.is that ok?

....: NO! thats not ok! STOP MENTALLY RAPING ME!!
2. Mentally unhinged
People who are a bit mentally imbalanced. Not entirley crazy...but a bit loopy.
A: Did you hear what Britney did?
B: What with her hair?
A: Yeah!
B: That was a bit "Mentally unhinged"
3. Mentally Hilarious
A 'better' alternative to using the word 'crazy' or 'insane' to someone. Or just a fun way to call someone crazy. Also, 'mentally jolly' can be used. From the Family Guy episode 'The Fat Guy Strangler'.
"Dr, is my brother really insane?"
"Mrs Griffin, we don't use the word 'insane', we prefer the term 'mentally hilarious'"
4. Mentally Gay
A person is mentally gay when they "blow" your mind.
That magician is mentally gay.
5. mentally peaced
When you take a mental break....i.e peace mentally
when you go to sleep
when you are off task
day dreaming
checked out mentally
im mentally peacin
im gonna go mentally peace
dude i was totally mentally peaced
6. mentally fat
an intellectual state in which one is of well below average intelligence.

100% of the time, the mentally fat person is completely unaware of their intellectual condition.

Note: Physically attractive people can most certainly (and often times are) mentally fat.
Man, she was so hot but seriously, that girl is so goddamn mentally fat I could not stand another second in her presence.
7. mentally awkward
How to say mentally retarded in a cooler way.
Person 1: Hey, guys! Wanna see my new animal rubber band bracelet!? It's a CIRCLE.
Person 2: Are you mentally awkward?
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