| Abbreviation | Definition |
|---|---|
| OFWGKTADGAF | Odd Future Wolf Gang Kill Them All Don't Give A F*** |
| OGASM | Repeated "O"s used consecutively, usually in the spur of the moment when someone comes to a realization, conclusion, or surprise (not an acronym) |
| OGB | Only Gets Better |
| OGG | Oh, Good God! |
| OGV | Only Good Vibes |
| OGW | Term for "Oh God Why." Often used in internet memes. A lot. |
| OH | Other Half |
| OH | Our Hero |
| OHAC | Own House And Car |
| OHD | Oh Happy Days |
| OHM | Oh My Head |
| OHM | Oh, Me |
| OHN | Oh Hell Nah! |
| OHNO | Obviously Hate; Never Otherwise |
| OHTY | Old Hat To You |
| OIAL | Okay I Actually Laughed |
| OIAW | Once In A While |
| OIBF | Oh, It'll Be Fine |
| OIBG | Oh I Be Great |
| OIC | Oh, I See |