Multiple personality disorder 

A mental disorder that is now called Dissociative Identity Disorder. This disorder is caused by trauma. Someone with this disorder will have at least 2 separate personalities that take control of the body at different times.

She was diagnosed with Multiple Personality Disorder, which is now called Dissociative Identity Disorder.

Multiple personality disorder by Thelabrinth May 12, 2015

multiple personality disorder 

when a person talks to, and frequently answers themselves, possibly acting as if they are having a conversation with multiple people... with themselves

(to yourself)
person 1-hi
person 2-fuck off
person 3-thats not nice
person2-i dont care
3 u should
1 stop talking to him hes mean
4 HI
5 what are you, retarded
3 thats my best friend dumbass
2 i still want you fuck off
9 hey guys, watsup
1,2,3,4,and 5 ....

multiple personality disorder

multiple personality disorder by BOOM TITTIES October 3, 2011

FaceBook Multiple Personality Disorder 

(Abbreviated to FMPD) Someone who portrays themselves on Facebook completely differently to how they actually are/behave in real life.

i.e A quiet introvert in real life, but who frequently comments, makes jokes/banter over Facebook. Polar opposite personalities

"That Tommy has got serious Facebook Multiple Personality Disorder! Quiet as a mouse in real life... yet on FB he's the life and soul of the party..."

FaceBook Multiple Personality Disorder by BobajobRob March 14, 2012

Online Multiple Personality Disorder (OMPD)

Online disorder in which a person posting comments, blogging, chatting, or otherwise electronically communicating, especially while under anonymous screen names, uses multiple screen names to enhance different parts of their offline multiple personalities, and becomes someone and/or something they are not under each name.
(Not to be confused with Online Personality Disorder (OMPD)

"Gladys has 7 AOL Accounts and 49 different screen names she types under- A different one per week. That one is a doctor, that one is a lawyer, that one is a housewife...she uses that one to talk to these people...that one to talk to those people..."
She has Online Multiple Personality Disorder (OMPD)

Online Multiple Personality Disorder (OMPD) by JayyTheOrc January 4, 2009

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Multiple-Internet Personality Disorder 

The possessing and use of more than three E-mail addresses by one individual.

John Smith suffers from Multiple-Internet Personality Disorder you can contact him at [e-mail] ; [e-mail] ; [e-mail] and [e-mail]

Multiple-Internet Personality Disorder by rwgreen November 22, 2011