Quarterly Update 23, Winter 2021
| Headword | Part of Speech | Update type |
| cat-tongue | n | Revised Entry |
| coon | v | Revised Senses, New Senses |
| coon oyster | n | Revised Entry |
| cooter | v | Revised Senses, New Senses |
| cooter shell | n | New Entry |
| corkball | n | Revised Entry |
| cute | v | Revised Entry |
| moon rot | n | New Entry |
| Shanghai | n | Revised Sense |
| soft oyster | n | Revised Entry |
| stick-up | n | Revised Sense |