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
OHIM Oh Hell, It's Monday
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
OJ Only Joking
OJD Obsessive Jonas (Brothers) Disorder
OJT On Job Training
OK Only Kidding
OKC Oklahoma City
OKI Okey Dokey, OK
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
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
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
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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