OGN 

Stands for "Online gaming network".

Instant messaging~
Joe: Have you checked out Dictionary's OGN?
Bob: Yeah, it's awesome!

OGN by AstroBlue September 29, 2005

OGN 

Original graphic novel

"Orbiter" by the writer Warren Ellis is an OGN.

OGN by Alex July 10, 2004

OGN 

O' Gotcha Now.

OGN i was so confused before.

OGN by Nerdy-J January 25, 2010

ogn 

A slow single chortle one makes to express approval or to acknowledge impressiveness. Is usually accompanied by a subtle head nod.

camjoo,"I just mounted some remote controllers to the PS2 mp3 player in my car! Looks schweet!"
M4rK,"Ogn!"

ogn by camjoo April 25, 2005

OGN 

Abbreviation for "Oh God No". Used during IM or social media sites.

Guy 1: They're bringing Furbies back.

Guy 2: OGN, I had enough nightmares as a kid.

OGN by MagicalAwesomenessIsMagical August 17, 2012

Ognsgafw 

A term that furries as an admission to being obsessed with Pedophilia.

"I'M NOT A PEDO OGNSGAFW"

Ognsgafw by JokerFactor February 1, 2022

Ognjen 

A man with a 18 inch big penis. Always friendly and ready to help. He possesses extreme talent in everything. He is the best man that you can have for anything. Girls like him because of his humour and his giant broomstick, oh, and he is cute aswell.

Oh my God Ognjen was amazing last night, I can't stop thinking about it.

Ognjen by DrYukoSpect December 7, 2017