Chomp-Omp 

(Verb) To be a cock-block.

(Noun) A person who kills a romantic mood between two people because he has nothing better to do.

(Noun/Verb) To be that thing from Mario.

"I was on my bed with my girlfriend ready to get into it when David called asking to hang out together with us. Fucking chomp-omp!"

Chomp-Omp by Farewellking1 June 4, 2009

OMPD 

Acronym for Old Man Perv Disorder

A disease affecting men ages 12-55
Example: 33 year old male OMPD patient recent test result:
"Dr. Richard Longwell M.d. diagnosed me with the perverted level of a 73 year old man."

OMPD by anonymous December 23, 2020

omphalophobia 

The fear of belly buttons.

I can't let anyone near my belly button. I have omphalophobia.

omphalophobia by claya_1 April 22, 2006

omphalos 

Someone who thinks that they are the centre of the universe

Mr A:'Hey Mr B, look over there at that person who is driving in the middle of the motorway at 186.24mph, he must think that the nearest star is emitting its electromagnetic radiation out of his anal sphinctus'
Mr B:'Yeah what an omphalos'

omphalos by BenKenTheBest April 7, 2003

omputer

When someone spells computer wrong.

I used thec omputer.

omputer by DementedRock May 31, 2017

Omphaloskepsis 

The contemplation of one's navel.

Katrina: "It worries me that Edgar spends so much time staring at his belly button these days."
Samuel: "Well, he did vow to practice Omphaloskepsis for three hours a day."

Omphaloskepsis by please dont try this at home April 9, 2007

Omptompkin 

When someone is really high, and you tell a story about something that had to do with the conversation brought up 10 minutes ago.

Kid 1: whose your favorite actor?
kid 2: pierce brosnan
Kid 3: sean connery
(10 minutes go by and now a new conversation)
kid 4: dude! I just had the biggest Omptompkin! I like Jackie Chan.
kid 2: what? That was so late.

Omptompkin by Bay Area toker February 3, 2010