Oxygenius 

The opposite of an oxymoron which is where two words contradict each other in a single expression.
An oxygenius describes an expression where two different words with a similar context are used unnecessarily; tautology, tautological.

Oxymoron: Blinding light.
Oxygenius: Blinding darkness.

Oxygenius by Aurélienlovezboyz April 21, 2011

Oxygenless 

Oxygenless is a youtuber with over 1,000 subs on the popular video streaming platform, youtube. His youtube channel is known for his most popular video YTP - Coyote Peterson Has An Encounter With A Bullet Ant. Recently he hasn't posted much and has had a 9-month hiatus. He also has 2 other channels called Oxygenlessplays, and Oxymemes.

Oxygenless is a youtuber with over 1,000 subscribers.

Oxygenless by ShadowTux January 5, 2019

OMGenius 

an idea that's so great that people think that ony god would have thought of it.

idiot 1: "hey!, i think we should start a club of awesome people!"

idiot 2: " dude! that idea is OMGenius!"

OMGenius by matt.v February 5, 2009

OMGENIUS 

(v) Oh,em,GENIUS!!!
Meaning: The verb version of Genius
Roots: Genius
Inventors: The same two 12-year-olds

e.g. “I got all the answers correct!”
“Omgenius!!!”

OMGENIUS by OMGOTASAN May 2, 2018

OxygenUpdater 

Oxygen Updater is a free Android app to receive OxygenOS Over The Air (OTA) updates faster. Easy, safe and supports all non-carrier OnePlus devices.

Indian: sir android 10 update when
Intellectual: Just use OxygenUpdater, bro

OxygenUpdater by SomeDumbAccount March 18, 2020

OGenius 

OGenius

My Pops was a hood legend…A true savant OGenius…Feel me? If ya didn’t know…Well uhhh, now ya know…

OGenius by Pushmataha January 27, 2023

Oxygens Mental Hospital

The worst fucking place on the internet. Everyone in it has some form of STD.

Oxygens Mental Hospital is probably on fire right now.

Oxygens Mental Hospital by Rubedo January 9, 2021