The marrying of something or someone in your head, due to strong attractions to them.
Person 1: We are now mentally wed. (plays out wedding in mind)
Person 2: Who are you?
Beyond stupid to the point that it has surpassed the stupidity of rednecks. A "Mentally Redneck" Doesn't have to be an actual Redneck, just someone so stupid they are now classified as "Mentally Redneck"
Atleast 75% of the people who voted for Deez Nuts in the North Carolina 2016 Presidential poll are mentally rednecks.
When you and a bro high five in your minds because a. You're too far away from each other to actually high five b. You both just can't be bothered to high five or c. Because the action/event was so awesome that a normal high five just wouldn't suffice
Alex: Woah dude that was so cool, mental five
Harry: Nice!
Adjective: Where Gerard Way takes over your mind, body, and soul.
This is usually announced or thought of after seeing a girl who is distractingly attractive. The act of explaining you like the looks of a girl enough to masturbate too.
See, she's hot dude I'm going to ask her out.
Yea I'm masturbating in my head to her.
I fucking hate you.
I'm still masturbating in my head to her. Still not done, not done, Alright I'm done. I'm going to go make a sandwich. Good Mental Masturbation. Actually, you want to go to Chipotle?
Not with you.
Thats douchey.
When your so slow it's like you don't have a head...
zookeeper525: Hey, you want to come hang out, SON?!
godlover: huh??? what you mean????
zookeeper525: WOW!!!! YOUR MENTALLY DECAPITATED!
The act of thinking there are more than two genders.
Idiot: "Tumblr invented a new gender called vapeogender! Basically when I'm exposed my gender turns to smoke!"
Normal person: "Dude if you think your dick turns to smoke when they pull down your pants you have a mental disorder, if you have a dick you are a male, if you have a pussy you are a female, if you have none you don't belong to this planet!"