| English | Thesaurus |
| And Where Can I Get One | AWCIGO (Alex Lilo) |
| one-dimensional path sensitization | linear path sensitization (ssn) |
| one-dimensional path sensitization | single path sensitization (ssn) |
| One legged man in an ass kicking contest | working towards an unachievable goal (ilyas_levashov) |
| One-Man Control | OMC |
| One Man Operated | OMO |
| One Man Operated Ships | OMBO (Marinade) |
| One True Pairing | otp (Meaning the your favorite combination of characters in a fandom. Arwena) |
| The anticipation one feels when waiting for a response to a text message. | Textpectation (Пример: "I just texted her for a date – but now the textpectation is killing me." Franka_LV) |