OSFRS 

In text lauguage know as " ON SOME FORREAL SHIT"

LIFE MISSED UP OSFRS

OSFRS by osfrs May 19, 2015

Osfs 

NFS Usually used before or after making a statement (on some funny shit-OSFS)

Yo on some funny shit(OSFS) shaniques weave smells like burnt toast

Osfs by FinesseBitch January 21, 2019

OSRS

Quick way to write or say: On Some Real Shit

Good for texting, or just updating your status on many social networks, such as: Myspace, Facebook, Twitter and others.

You: Man im sick and tired of my job, OSRS!!!!!

OSRS by who_cares1993 June 19, 2009

OSRS

Acronym for OldSchool RuneScape; an older version, circa 2007, of the MMORPG "RuneScape."

RuneScape 3 player: I miss the older version of RuneScape
OldSchool RuneScape player: Then why don't you play OSRS?
RuneScape 3 player: Wait...That's a thing? *logs off and makes OSRS account*

OSRS by lmperfect January 29, 2017

OSFrog 

TwitchTV emotes to describe something that imbalanced or overpowered

Originated from word "IceFrog", creator of DoTA on Warcraft 3 and DOTA 2. He/She (we don't know until now who he/she is) often make gameplay so imbalance or create hero that overpowered, thus the word began to spread and get pun to "OSFrog" on Twitch Chat

"I one shot the boss cause my weapon is OSFrog"

OSFrog by KKomrade December 15, 2020

osfirsttimer 

A YouTube channel ran by Philip Adams.
Originally made to show how frustrating to use Windows 8.
This channel features Diana Adams (Aka 'Mom'), Ben Adams (Aka 'Dad') and Jasmine Adams (Aka 'Jasmine')

Person 1: "What are you watching"
Person 2: "I'm watching OSFirstTimer"

osfirsttimer by ThePentiumGuy November 29, 2018

sore 'vanc-osers 

The sore loser-ness of the city of Vancouver, exemplified following their pitiful 4-0 effort against the Boston Bruins on June 15, 2011.

"Our city just got disgraced by the underdog" "Yeah, how aboot we F up our city streets!"

(Boston onlookers) "They sure are some sore 'vanc-osers"

sore 'vanc-osers by BungaFiyah August 1, 2011