Slang and abbreviation part 17

List of acronyms begin with ‘O’:

• O-O -- Shock
• O_O -- Confused
• O.O -- Wide eyed
• O/ -- High Five
• O;) -- Innocent, angelic
• O;-) -- Innocent, angelic
• OA -- Over Acting, Over Achiever
• OAP -- Old Age Pensioner
• OATUS -- On A Totally Unrelated Subject
• OAUS -- On An Unrelated Subject
• OBO -- Or Best Offer
• OBS -- Obviously
• OBTW -- Oh, By The Way.
• OBV, OBVI, OBVS -- Obviously
• OC -- Of Course, Original Character
• OCO -- Oh, Come On
• OD -- Overdose
• ODG -- Oh Dear God
• OE -- Operator Error
• OEM -- Original Equipment Manufacturer
• OFC -- Of Course
• OFH -- Old Folks' Home
• OGIM -- Oh God It's Monday
• OHAC -- Own House And Car
• OHAI -- Oh, Hi
• OHN -- Oh Hell, No!
• OIC -- Oh, I See
• OJ -- Only Joking
• OJT -- On Job Training
• OK -- Only Kidding
• OM -- Old Man
• OMB -- On My Break
• OMD, OMDZ -- Oh My Days
• OMDB -- Over My Dead Body
• OMG -- Oh My God
• OMJC -- Oh My Jesus Christ
• OML -- Oh My Lord
• OMO -- Odd Man Out
• OMSJ -- Oh My Sweet Jesus!
• OMW -- On My Way
• ONNA -- Oh No, Not Again
• ONNTA -- Oh No, Not This Again
• ONOZ -- Oh No
• ONS -- One Night Stand
• ONYD -- Oh No You Didn't
• OO -- Object Orientated, Surprised
• OOAK -- One Of A Kind
• OOC -- Out Of Control / Out Of Character / Out Of Context
• OOF, OOO -- Out Of Office
• OOP -- Out Of Place
• OOS -- Out Of Style
• OOT -- Out Of Town
• OOTB -- Out Of The Box
• OOTO -- Out Of The Office
• OP -- Overpowered
• OPB -- Other People's Business
• OPK -- Other People's Kids
• OPM -- Other People's Money
• ORITE -- Alright, hello
• ORLY -- Oh Really
• OSM -- Awesome
• OT -- Off Topic
• OTB -- Off The boat
• OTE -- Over The Edge
• OTF -- Off Topic Forum
• OTFL -- On The Floor Laughing
• OTL -- Out To Lunch
• OTM -- Of The Moment, One Track Mind
• OTOH -- On The Other Hand
• OTS --On The Side
• OTT -- Over The Top
• OTTH -- On The Third Hand
• OTW -- On The Way
• OTW -- On The Whole
• OTY -- Over To You
• OY -- Oh Yeah