Bastard (rapper) (i) One Dirty B*tch/Broad/Babe (professional wrestler) (i) Operational Data Base (i) Original David Baker (professional poker player; used to distinguish from another professional poker player of the same name) (i) Oxford Dictionary of Byzantium ODBC – (i) Open DataBase Connectivity ODI (i) Office for Disability Issues (UK government agency) One Day International (cricket) Open Data-Link Interface Oracle Data Integrator Overseas Development Institute (UK think tank) OE OEA – (i) (U.S.) Office of Economic Adjustment OED – (i) Oxford English Dictionary OECD – (i) Organisation for Economic Co-operation and Development (international) OEG – (i) Operation Exposure Guidance OEIS - (i) On-Line Encyclopedia of Integer Sequences OEM – (i) Original Equipment Manufacturer OF OFA – (i) Occipital Face Area OFDA – (i) U.S Agency for International Development's Office of Foreign Disaster Assistance OG OG: Objective Glass, see Objective (optics) Obstetrics and gynaecology Offensive Guard, see Guard (American football) Old Giggleswickian, a former pupil of Giggleswick School Old Gower, a former pupil of University College School Old Gregorian, a former pupil of Downside School Old Greshamian, a former pupil of Gresham's School Old Gold, a dark yellow Olympic Games Original Gangster, see Gangster Original Gravity, see Gravity (beer) Outpost Gallifrey, a Doctor Who fansite. Own goal, in soccer, a goal scored by a player in their own side's goal OG: Optimized Gaia, theory the earth optimizes itself to promote life, and popular movement to Promote Human Progress in Harmony with the Natural World. OG: Original Gangster, an album by Ice-T OGC – (i) Open Geospatial Consortium OGD – (i) Other Government Department OGO – (i) Other Government Organization OGX – OUARGLA – a petroleum state in the south of Algeria OH OH – (s) Ohio (postal symbol) OHC – (i) OverHead-Cam engine OHHLA – (a) Original Hip-Hop Lyrics Archive OHIP – (a) Ontario Health Insurance Plan OHMS – (i) On His (or Her Majesty's Service) (also written: O.H.M.S.) OHP – (i) Observatoire de Haute-Provence OHSS – (p) Ovarian Hyperstimulation Syndrome OI OIC – (i) Officer In Charge OIE – (i) World Organisation for Animal Health (originally the Office international des épizooties, French for "International Epizootic Office") OIF – (i) Operation Iraqi Freedom OIOC – (i) Oriental & India Office Collections (in the British Library) OJ oj – (s) Anishinaabe language (Ojibwa) (ISO 639-1 code) OJ – (i) Orange Juice – O. J. Simpson oji – (s) Anishinaabe language (Ojibwa) (ISO 639-2