Funnies Abbreviations and Acronyms
- OLGAOld Lady Going Anywhere
- OLOYOnly Losers Obey Yolo
- OLQObnoxious Little Queer
- OMObnoxious Moron
- OMCOfficial Millionaires Club
- OMEOld Man Emu
- OMENOld Mean Evil Nasty
- OMGFOh, My GodFather
- OMROh My Ra
- ONCOnly Non-Canadians
- ONDCPOfficial National Department of Cultural Purity
- ONYOriginal Noodle for You
- OOOhh Ohh
- OOBOhayo, Ohayo, Bonjour
- OOCOut of Carpet
- OOKObject-Oriented Khaos
- OOMOrder of Merlin
- OOSHOrganization of Super Heroes
- OOTDOnly Offer The Donut
- OPObnoxious Preppie
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