Orgasms Per Day. The Number of Orgasms one gains from their signifcant other or hook up on a per day basis.
by CMurdah June 15, 2009

Short for Obsessive Penis Disorder. This is a diagnosis usually given to a female (or male) who obsessively finds the need to have intimate relations with every guy around them. Is often characterized by the person obsessively saying things like "I just need some penis" and "lets get out of here i need to find more penis".
Person A: " Damn, that girl has already hooked up with half of my calculus class!"
Person B: "OH MY! She should probably see a doctor about that. She could have a severe case of OPD."
Person B: "OH MY! She should probably see a doctor about that. She could have a severe case of OPD."
by rubia210 December 19, 2008

Obsessive Pokémon Disorder.
One who plays Pokémon for several hours straight and rejects all outer activity.
One who plays Pokémon for several hours straight and rejects all outer activity.
by pokemansfreak3 March 26, 2010

by Walking Genius February 21, 2020

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)
(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)
"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 4, 2009
