1. Adj. When one crosses the boundary of stupid and seems as if the person is a goner when it comes to seeming normal in society.
2. Verb. When one confuses another to the point of brain shutdown causing massive stupidity.
1. (Kid air boxes in front of his mirror and accidentally makes contact causing the glass to shatter.)
"This kid is Mentally Fucked."
2. J: "Wassup Dre?"
Dre: "Nothing much just going to look out for the blue areas to avoid being crashed into by private jets due to hp laptops downloading tiger porn."
J: "Wait hold up,, wait . WTF??"
(This kid was just Mentally Fucked.)