Web Abbreviations beginning O

Computer Slang beginning with the letter O

On this site you will find a list of slang terms, acronyms and abbreviations as used in websites, ICQ chat rooms, blogs, SMS, and Internet forums - a complete dictionary of slang. This page lists these acronyms beginning with O.
Please note that a few of the words stand for phrases containing words that may be offensive to some people. In those cases we have substituted asterisks, or similar, for the words in question.
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· O Ounce (of drugs)
· O RLY Oh, Really?
· O&O Over and Out
· O-O Shock
· O.O Wide eyed
· O/ High five
· O/\O High five
· O7 Salute
· O:) Innocent, angelic
· O:-) Innocent, angelic
· OA Over Acting
Over Achiever
· OAN On Another Note
· OAO Over And Out
· OAP Old Age Pensioner
· OATUS On A Totally Unrelated Subject
· OAUS On An Unrelated Subject
· OB Oh, Brother
· OBBY Oh, Baby
· OBE Overcome By Events
Out of Body Experience
Order of the British Empire
· OBGYN Gynecologist (OBstetrics and GYNecology)
· OBHWF One Big Happy Weasely Family
· OBO Or Best Offer
· OBQ Oh, Be Quiet
· OBS Obviously
· OBTW Oh, By The Way
· OBV Obviously
· OBVI Obviously
· OBVS Obviously
· OBVY Obviously
· OBVZ Obviously
· OBX Outer Banks North Carolina
· OC Of Course
Original Character
Orange County
· OCD Obsessive Compulsive Disorder
· OCH Oh (Scottish)
· OCN Of Course Not
· OCO Oh, Come On
· OCR Optical Character Recognition
· OCT On Company Time
· OD Overdose
Over Doing it
· ODAAT One Day At A Time
· ODEE same as OD
· ODF Own Damn Fault
· ODG Oh Dear God
· ODL Oh Dear Lord
· ODST Orbital Drop Shock Trooper (Gaming)
· ODT On Dis Ting
· OE Outlook Express
Operator Error
· OED Oxford English Dictionary
· OEM Original Equipment Manufacurer
· OFAY Offensive term for a white person
· OFC Of Course
· OFGS Oh, For God's Sake
· OFH Old Folks' Home
· OFOC Overwhelming Feelings of Concern
· OFWGKTA Odd Future Wolf Gang Kill Them All (rappers)
· OG Original Gangster
Old Git
· OG Original Gangster (typical not an actual gangster, but just one of an original group)
· OGIM Oh God It's Monday
· OGK Only God Knows
· OGM misspelling of OMG
· OGN Online Gaming Network
· OH Other Half
· OHAC Own House And Car
· OHAI Oh, Hi
· OHIM Oh Hell, It's Monday
· OHK Oh,Ok
· OHKO One Hit Knock Out
· OHN Oh Hell, No!
· OHS Operator Head Space
· OHT One Handed Typing
· OHW One Hit Wonder
· OI Hey
· OIC Oh, I See
· OIK Unpleasant, unpopular person
· OIY Hey
· OJ Only Joking
· OJD Obsessive Jonas (Brothers) Disorder
· OJT On Job Training
· OK Only Kidding
· OKC Oklahoma City
· OKI Okey Dokey, OK
· OKIES Okay
· OKW/E OK What-Ever
· OL Online
Office Lady
· OLD BAG Grumpy old woman
· OLDFAG Long established member of an online community
· OLED Organic Light-Emitting Diode
· OLLG One Less Lonely Girl
· OLOY Only Losers Obey Yolo
· OLTL One Life To Live
· OM Old Man
· OM NOM Sound of eating
· OMA Oh My Allah
· OMB On My Break
· OMD Oh My Days
· OMDB Over My Dead Body
· OMDS same as OMD
· OMDZ Oh My Dayz
· OMFSM Oh My Flying Spaghetti Monster
· OMFUG Other Music Found UnderGround
· OMG Oh My God
· OMGA Oh My Giddy Aunt
· OMGD Oh My God Dude
· OMGNA Oh My Gosh, Not Again
· OMGSH Oh My Gosh
· OMGZ same as OMG
· OMJ Oh My Jonas (JB)
· OMJC Oh My Jesus Christ
· OML Oh My Lord
· OMP Oh My Potatoes
· OMS Oh My Science
· OMSJ Oh My Sweet Jesus!
· OMT One More Thing
· OMW On My Way
· OMWH On My Way Home
· OMZ Oh My Zeus
· ON Drunk, high
· ON ONE Under the influence of drugs
· ON9 Stupid (Chinese)
· ONCO Or Nearest Cash Offer
· ONE One Love, goodbye
· ONE OFF Happened Once
· ONG  Misspelling of OMG
· ONION Ounce of a drug
· ONL Online
· ONM Oh, Never Mind
· ONNA Oh No, Not Again
· ONNTA Oh No, Not This Again
· ONO Or Nearest Offer
· ONOZ Oh No
· ONS One Night Stand
· ONTD Oh No They Didn't
· ONUD Oh No You Didn't
· ONYD Oh No You Didn't
· OO Object Orientated
· OOA Out Of Ammo
· OOAK One Of A Kind
· OOBE Out Of Body Experience
· OOC Out Of Control/Character/Context
· OOF Out Of Office
· OOFT Sound made when impressed by something
· OOH Out Of Here
· OOI Out Of Interest
· OOM Out Of Mana (MMORPG)
· OOMF One Of My Friends/Followers
· OOML Out Of My League
· OOMM Out Of My Mind
· OOO Out Of Office
· OOP Out Of Place
· OOPS Word said after doing something wrong
· OOS Out Of Style
· OOSOOM Out Of Sight, Out Of Mind
· OOT Out Of Town
· OOTB Out Of The Box
· OOTC Obligatory On-Topic Comment
· OOTD Offer Of The Day
Outfit Of The Day
· OOTO Out Of The Office
· OOTW Out Of This World
· OOYL Out Of Your League
· OOYM Out Of Your Mind
· OP Original Poster
· OPA Greek exclamation
· OPB Other People's Business
· OPK Other People's Kids
· OPM Other People's Money
· OPPA Older brother, male friend
· OPPP Oh, Poopy-Poop!
· OPPS Misspelling of 'oops'
· OPS Operations
· OPSEC Operations Security
· OREO Black on the outside, white on the inside
· ORG Online Reality Games
· ORITE Alright, hello
· ORKUT Google's social network
· ORLY Oh Really
· ORN Oh Really Now
· ORO Expression of confusion
· ORZ Frustration, despair
· OS Operating System
· OSFA One Size Fits All
· OSLT Or Something Like That
· OSM Awesome
· OSO Other Significant Other
· OSS Open Source Software
· OSSIM Awesome
· OST Original Sound Track
· OT Off Topic
· OT3 One True Threesome
· OTA Over The Air
· OTAKU Obsessive fan
· OTAY Okay
· OTB Off The boat
· OTC Over The Counter
· OTD On The Dot
Out The Door
· OTE Over The Edge
· OTF Off Topic Forum
· OTFL On The Floor Laughing
· OTG On The Go
Off The Ground
· OTH Off The Hook
· OTK Over The Knee
· OTL like ORZ stick figure on hands and knees
Out To Lunch
· OTLTA One Thing Led To Another
· OTM Of The Moment
One Track Mind
· OTN On That Note
· OTO One Time Only
· OTOH On The Other Hand
· OTOOH On The Other Other Hand
· OTP One True Pairing
· OTR On The Run
· OTS On The Side
· OTT Over The Top
· OTTH On The Third Hand
· OTTOMH Off The Top Of My Head
· OTW On The Way
· OTW On The Whole
· OTY Over To You
· OTZ same as ORZ
· OU Open University
· OUAT Once Upon A Time
· OUCH Interjection said when experiencing pain
· OUGHTA Ought to
· OUNCE 28 grams of drugs (usually marijuana)
· OUO Official Use Only
· OUTTA Out Of
· OVA Original Video Animation
· OVNO Or Very Near Offer
· OVO Obviously
· OW Ouch
Other Woman
Oh, Well
· OWK Other World Kingdom
· OWLING Crouching and staring like an owl
· OWN Beat, dominate (gaming)
· OWNED Dominated
· OWNM Oh Well, Never Mind
· OWOA One Way Or Another
· OWS Occupy Wall Street
· OWT Anything
· OWTTE Or Words To That Effect
· OX Sharp blade
· OXY OxyContin (or oxycodone), painkiller
· OY Oh Yeah
· OYB On Your Bike
· OYE Listen up
· OYG Oh Your God
· OYO On Your Own
· OZ Australia
· O_O Confused
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