Mentalbate 

verb, 1) to be so bored that you think of good thoughts in your head, enducing mental pleasure.

2) tohave sexually arousing thoughts without touching oneself.

DUDE carmen electra was soo hot in that movie last night, but i couldnt do anything but mentalbate because my brother was in the room.

Mentalbate by mrz February 24, 2009

mentalation 

the process of thinking

too much mentalation

mentalation by Pali High December 21, 2008

Metalbating 

Angry masturbation while listening to metal, usually done until raw.

Shawn was furiously metalbating in the bathroom until he bled. Shawn is so metal.

Metalbating by Saucychurch July 15, 2009

mentulate 

Possessing an extraordinarily large penis. (adjective)(also Mentulated)
More common in old 'bodice-ripper' novels; a term for "well hung" that lends a certain appearance of culture to your p0rn.

Priapus was the most mentulate of gods.

mentulate by Mentulated in May 1, 2007

Mentallatio 

Mentallatio is simply put, fellatio of the mind. When something absolutely unbelievable, or extraordinary is learned, heard, seen, or discovered in anyway, mentallatio occured. Simply put, mentallatio is to have your mind "blown".

"Dude, learning about black holes and wormholes and all sort of crazy stuff was intense."

"Talk about mentallatio"

Mentallatio by Mikey Cons April 10, 2008

Mentalcase 

Someone who is mentally challenged and/or crazy.

See nutcase.

Your such a mentalcase.

Mentalcase by Demski August 18, 2008

Menturbate 

To mentally masturbate. The most discrete form of sexual self-pleasuring. With a good imagination and a bit of practice menturation can result in actual orgasm.

I especially like to menturbate on public transport. As long as I can keep a straight face the girl sitting next to me doesn’t even notice.

Menturbate by Harry Sausage January 26, 2005