Top Definition
Online disorder in which a person posting comments, blogging, chatting, or otherwise electronically communicating, especially while under anonymous screen names, becomes someone and/or something they are not.
(Not to be confused with Online Multiple Personality Disorder (OMPD)
Gladys, who in reality is 500 lbs overweight, toothless, and full of acne, posts something like:
"I"m 5 foot 2, petite, HOT and have 4 Masters Degrees in Hospitality and Tourism."
No, Gladys has Online Personality Disorder (OPD)
by JayyTheOrc January 04, 2009

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