Obsessinate 

A combination of the words Obsessed and Assasinate.
Best used to describe somebody who is so in love that they cannot stand the idea of anybody else getting close to the object of their desire. They can become so consumed with jealousy that they often fantasize about killing said persons.

'Bob loves Kelly so much that he dreams about killing any other guy who tries to gets near her.'

Bob is showing obsessinate behaviour.
Bob is an obsessinator.
Bob thinks about commiting an obsessination.

Obsessinate by Sir Eef April 30, 2009

Obsessory 

to be obsessed with an accessory.

steve "You've been wearing that bracelet for a long time now"
jan "I know. It's my obsessory."
steve "TAKE IT OFF YO!"

Obsessory by ton2 June 16, 2008

Hamilton Obsessiveness Disorder

(aka H.O.D.) A disorder that is related to the famous broadway musical, "Hamilton". People suffering through this disorder tend to both consciously and unconsciously sing certain songs or excerpts from songs from this musical. Some symptoms include continuing sentences or answering questions in the same way as some Hamilton songs go, singing Hamilton non-stop, and nonstop talking about this broadway show. If you experience these symptoms, it is recommended that you see a doctor ASAP.

I feel so sorry for her, she has the Hamilton Obsessiveness Disorder.

Hamilton Obsessiveness Disorder by Juanbaej July 17, 2016

Obsessive Compulsive Narrator 

A person who sits at the movies or in home watching a movie, and feels the need to describe every thing happening in the movie, as if they are sitting there Narrating for a blind person.

O.C.N.:
"They just entered the house, they're walking down the hallway, no sign of the bad guy yet. OMG, the bad guy just jumped out of the closet!"

Anoyed person:
"Would you stop being such an Obsessive Compulsive Narrator?! We have eyes of our own, we can see for our selves!"

Obsessive Compulsive Narrator by Redwings Addict February 5, 2010

Obsessive Compulsive Bank Robbing Disorder 

A disabling psychological disorder that propels the sufferer to repeatedly and uncontrollably rob banks until they are finally nabbed and sent inside where they are left to regale their psychologists with exciting stories about their own magnetic personalities and long-standing risk taking patterns since childhood.

I’d asked my attorney to make it clear that I am a victim of a serious case of Obsessive Compulsive Bank Robbing Disorder but the judge laughed in open court and dismissed it as a manipulative ploy to obtain a reduced sentence.

Obsessive Compulsive Bank Robbing Disorder by Dr Bunnygirl June 27, 2021

Obsessive Kid Cudism Disorder 

Can be shortened to OKCD. Commonly found in teenagers that engage in illegal activities (such as smoking marijuana). Symptoms include feeling the need to skip school to go to cudi concerts, periodically posting cudi lyrics as your Facebook status, experiencing elation and relaxation only while listening to cudi songs, and bonding with other people simply on the basis of a mutual love for the same artist.

My friend Stan exhibits all the symptoms of Obsessive Kid Cudism Disorder and I'm worried that he may have to seek professional psychiatric help very soon.

Obsessive Kid Cudism Disorder by StanTheMan1227 November 4, 2010

Obsessive Compulsive Angry Birds Disorder 

Also known as OCABD, it is a condition in which the afflicted person obsesses over all of the fine details while playing the game Angry Birds. The most common symptoms are restarting a level numerous times in order to achieve a desired result, and obsessing over getting a high score, achieving three stars, or gathering golden eggs.

Paul: "Man, is Gary still playing on his phone?"

George: "Yeah, he has Obsessive Compulsive Angry Birds Disorder. He won't stop playing until he beats that high score."

Obsessive Compulsive Angry Birds Disorder by BirdsBirdsBirds June 18, 2011