| Abbreviation | Definition |
|---|---|
| RD | Retarded Donkey |
| RDA | Rich Demanding Albatross |
| RDBMS | Random Data Base Management Selection |
| RDBMS | Reality Data Before Many Systems |
| RDC | Radness Dot Com |
| RDC | Really Dang Crazy |
| RDF | Really Difficult and Funky |
| RDK | Radio Disease Killer |
| RDM | Robo Death Monkey |
| RDP | Relena Darlian Peacecraft |
| RDS | Red Deck Squad |
| READING | Red Ears Are Dead In No Good |
| READSGREAT | Respectable, Educated, Admirable, Devotees, Submit Great Reads, Excellent Acronyms Totally! |
| RECTUM | Regional Extraordinary Critical Tactical Untied Mercenaries |
| RECYCLE | Reuse Energy Cautiously Even Though Kids Litter Excessively |
| Rapid Ecliptic Dialog Detailing Internet Themes | |
| Rather Extreme Daily Dose of Internet Trolling | |
| Read Every Damn Dumb Internet Thing | |
| Read Every Darn Diddly Internet Thing | |
| Read Everything Don't Do Important Things |